diff options
Diffstat (limited to 'drivers')
53 files changed, 243 insertions, 377 deletions
diff --git a/drivers/atm/he.c b/drivers/atm/he.c index aa6be2698669..c39702bc279d 100644 --- a/drivers/atm/he.c +++ b/drivers/atm/he.c @@ -533,14 +533,13 @@ static void he_init_tx_lbfp(struct he_dev *he_dev) static int he_init_tpdrq(struct he_dev *he_dev) { - he_dev->tpdrq_base = pci_alloc_consistent(he_dev->pci_dev, - CONFIG_TPDRQ_SIZE * sizeof(struct he_tpdrq), &he_dev->tpdrq_phys); + he_dev->tpdrq_base = pci_zalloc_consistent(he_dev->pci_dev, + CONFIG_TPDRQ_SIZE * sizeof(struct he_tpdrq), + &he_dev->tpdrq_phys); if (he_dev->tpdrq_base == NULL) { hprintk("failed to alloc tpdrq\n"); return -ENOMEM; } - memset(he_dev->tpdrq_base, 0, - CONFIG_TPDRQ_SIZE * sizeof(struct he_tpdrq)); he_dev->tpdrq_tail = he_dev->tpdrq_base; he_dev->tpdrq_head = he_dev->tpdrq_base; @@ -804,13 +803,13 @@ static int he_init_group(struct he_dev *he_dev, int group) goto out_free_rbpl_virt; } - he_dev->rbpl_base = pci_alloc_consistent(he_dev->pci_dev, - CONFIG_RBPL_SIZE * sizeof(struct he_rbp), &he_dev->rbpl_phys); + he_dev->rbpl_base = pci_zalloc_consistent(he_dev->pci_dev, + CONFIG_RBPL_SIZE * sizeof(struct he_rbp), + &he_dev->rbpl_phys); if (he_dev->rbpl_base == NULL) { hprintk("failed to alloc rbpl_base\n"); goto out_destroy_rbpl_pool; } - memset(he_dev->rbpl_base, 0, CONFIG_RBPL_SIZE * sizeof(struct he_rbp)); INIT_LIST_HEAD(&he_dev->rbpl_outstanding); @@ -843,13 +842,13 @@ static int he_init_group(struct he_dev *he_dev, int group) /* rx buffer ready queue */ - he_dev->rbrq_base = pci_alloc_consistent(he_dev->pci_dev, - CONFIG_RBRQ_SIZE * sizeof(struct he_rbrq), &he_dev->rbrq_phys); + he_dev->rbrq_base = pci_zalloc_consistent(he_dev->pci_dev, + CONFIG_RBRQ_SIZE * sizeof(struct he_rbrq), + &he_dev->rbrq_phys); if (he_dev->rbrq_base == NULL) { hprintk("failed to allocate rbrq\n"); goto out_free_rbpl; } - memset(he_dev->rbrq_base, 0, CONFIG_RBRQ_SIZE * sizeof(struct he_rbrq)); he_dev->rbrq_head = he_dev->rbrq_base; he_writel(he_dev, he_dev->rbrq_phys, G0_RBRQ_ST + (group * 16)); @@ -867,13 +866,13 @@ static int he_init_group(struct he_dev *he_dev, int group) /* tx buffer ready queue */ - he_dev->tbrq_base = pci_alloc_consistent(he_dev->pci_dev, - CONFIG_TBRQ_SIZE * sizeof(struct he_tbrq), &he_dev->tbrq_phys); + he_dev->tbrq_base = pci_zalloc_consistent(he_dev->pci_dev, + CONFIG_TBRQ_SIZE * sizeof(struct he_tbrq), + &he_dev->tbrq_phys); if (he_dev->tbrq_base == NULL) { hprintk("failed to allocate tbrq\n"); goto out_free_rbpq_base; } - memset(he_dev->tbrq_base, 0, CONFIG_TBRQ_SIZE * sizeof(struct he_tbrq)); he_dev->tbrq_head = he_dev->tbrq_base; @@ -1460,13 +1459,13 @@ static int he_start(struct atm_dev *dev) /* host status page */ - he_dev->hsp = pci_alloc_consistent(he_dev->pci_dev, - sizeof(struct he_hsp), &he_dev->hsp_phys); + he_dev->hsp = pci_zalloc_consistent(he_dev->pci_dev, + sizeof(struct he_hsp), + &he_dev->hsp_phys); if (he_dev->hsp == NULL) { hprintk("failed to allocate host status page\n"); return -ENOMEM; } - memset(he_dev->hsp, 0, sizeof(struct he_hsp)); he_writel(he_dev, he_dev->hsp_phys, HSP_BA); /* initialize framer */ diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c index b621f56a36be..2b24ed056728 100644 --- a/drivers/atm/idt77252.c +++ b/drivers/atm/idt77252.c @@ -641,13 +641,11 @@ alloc_scq(struct idt77252_dev *card, int class) scq = kzalloc(sizeof(struct scq_info), GFP_KERNEL); if (!scq) return NULL; - scq->base = pci_alloc_consistent(card->pcidev, SCQ_SIZE, - &scq->paddr); + scq->base = pci_zalloc_consistent(card->pcidev, SCQ_SIZE, &scq->paddr); if (scq->base == NULL) { kfree(scq); return NULL; } - memset(scq->base, 0, SCQ_SIZE); scq->next = scq->base; scq->last = scq->base + (SCQ_ENTRIES - 1); @@ -972,13 +970,12 @@ init_rsq(struct idt77252_dev *card) { struct rsq_entry *rsqe; - card->rsq.base = pci_alloc_consistent(card->pcidev, RSQSIZE, - &card->rsq.paddr); + card->rsq.base = pci_zalloc_consistent(card->pcidev, RSQSIZE, + &card->rsq.paddr); if (card->rsq.base == NULL) { printk("%s: can't allocate RSQ.\n", card->name); return -1; } - memset(card->rsq.base, 0, RSQSIZE); card->rsq.last = card->rsq.base + RSQ_NUM_ENTRIES - 1; card->rsq.next = card->rsq.last; @@ -3400,14 +3397,14 @@ static int init_card(struct atm_dev *dev) writel(0, SAR_REG_GP); /* Initialize RAW Cell Handle Register */ - card->raw_cell_hnd = pci_alloc_consistent(card->pcidev, 2 * sizeof(u32), - &card->raw_cell_paddr); + card->raw_cell_hnd = pci_zalloc_consistent(card->pcidev, + 2 * sizeof(u32), + &card->raw_cell_paddr); if (!card->raw_cell_hnd) { printk("%s: memory allocation failure.\n", card->name); deinit_card(card); return -1; } - memset(card->raw_cell_hnd, 0, 2 * sizeof(u32)); writel(card->raw_cell_paddr, SAR_REG_RAWHND); IPRINTK("%s: raw cell handle is at 0x%p.\n", card->name, card->raw_cell_hnd); diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c index 125d84505738..811e11c82f32 100644 --- a/drivers/block/DAC960.c +++ b/drivers/block/DAC960.c @@ -6741,11 +6741,11 @@ static long DAC960_gam_ioctl(struct file *file, unsigned int Request, ErrorCode = -ENOMEM; if (DataTransferLength > 0) { - DataTransferBuffer = pci_alloc_consistent(Controller->PCIDevice, - DataTransferLength, &DataTransferBufferDMA); + DataTransferBuffer = pci_zalloc_consistent(Controller->PCIDevice, + DataTransferLength, + &DataTransferBufferDMA); if (DataTransferBuffer == NULL) break; - memset(DataTransferBuffer, 0, DataTransferLength); } else if (DataTransferLength < 0) { @@ -6877,11 +6877,11 @@ static long DAC960_gam_ioctl(struct file *file, unsigned int Request, ErrorCode = -ENOMEM; if (DataTransferLength > 0) { - DataTransferBuffer = pci_alloc_consistent(Controller->PCIDevice, - DataTransferLength, &DataTransferBufferDMA); + DataTransferBuffer = pci_zalloc_consistent(Controller->PCIDevice, + DataTransferLength, + &DataTransferBufferDMA); if (DataTransferBuffer == NULL) break; - memset(DataTransferBuffer, 0, DataTransferLength); } else if (DataTransferLength < 0) { @@ -6899,14 +6899,14 @@ static long DAC960_gam_ioctl(struct file *file, unsigned int Request, RequestSenseLength = UserCommand.RequestSenseLength; if (RequestSenseLength > 0) { - RequestSenseBuffer = pci_alloc_consistent(Controller->PCIDevice, - RequestSenseLength, &RequestSenseBufferDMA); + RequestSenseBuffer = pci_zalloc_consistent(Controller->PCIDevice, + RequestSenseLength, + &RequestSenseBufferDMA); if (RequestSenseBuffer == NULL) { ErrorCode = -ENOMEM; goto Failure2; } - memset(RequestSenseBuffer, 0, RequestSenseLength); } spin_lock_irqsave(&Controller->queue_lock, flags); while ((Command = DAC960_AllocateCommand(Controller)) == NULL) diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 4595c22f33f7..ff20f192b0f6 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -1014,24 +1014,21 @@ static CommandList_struct *cmd_special_alloc(ctlr_info_t *h) u64bit temp64; dma_addr_t cmd_dma_handle, err_dma_handle; - c = (CommandList_struct *) pci_alloc_consistent(h->pdev, - sizeof(CommandList_struct), &cmd_dma_handle); + c = pci_zalloc_consistent(h->pdev, sizeof(CommandList_struct), + &cmd_dma_handle); if (c == NULL) return NULL; - memset(c, 0, sizeof(CommandList_struct)); c->cmdindex = -1; - c->err_info = (ErrorInfo_struct *) - pci_alloc_consistent(h->pdev, sizeof(ErrorInfo_struct), - &err_dma_handle); + c->err_info = pci_zalloc_consistent(h->pdev, sizeof(ErrorInfo_struct), + &err_dma_handle); if (c->err_info == NULL) { pci_free_consistent(h->pdev, sizeof(CommandList_struct), c, cmd_dma_handle); return NULL; } - memset(c->err_info, 0, sizeof(ErrorInfo_struct)); INIT_LIST_HEAD(&c->list); c->busaddr = (__u32) cmd_dma_handle; diff --git a/drivers/block/skd_main.c b/drivers/block/skd_main.c index 608532d3f8c9..f0a089df85cc 100644 --- a/drivers/block/skd_main.c +++ b/drivers/block/skd_main.c @@ -4112,16 +4112,14 @@ static int skd_cons_skcomp(struct skd_device *skdev) skdev->name, __func__, __LINE__, nbytes, SKD_N_COMPLETION_ENTRY); - skcomp = pci_alloc_consistent(skdev->pdev, nbytes, - &skdev->cq_dma_address); + skcomp = pci_zalloc_consistent(skdev->pdev, nbytes, + &skdev->cq_dma_address); if (skcomp == NULL) { rc = -ENOMEM; goto err_out; } - memset(skcomp, 0, nbytes); - skdev->skcomp_table = skcomp; skdev->skerr_table = (struct fit_comp_error_info *)((char *)skcomp + sizeof(*skcomp) * @@ -4304,15 +4302,14 @@ static int skd_cons_skspcl(struct skd_device *skdev) nbytes = SKD_N_SPECIAL_FITMSG_BYTES; - skspcl->msg_buf = pci_alloc_consistent(skdev->pdev, nbytes, - &skspcl->mb_dma_address); + skspcl->msg_buf = + pci_zalloc_consistent(skdev->pdev, nbytes, + &skspcl->mb_dma_address); if (skspcl->msg_buf == NULL) { rc = -ENOMEM; goto err_out; } - memset(skspcl->msg_buf, 0, nbytes); - skspcl->req.sg = kzalloc(sizeof(struct scatterlist) * SKD_N_SG_PER_SPECIAL, GFP_KERNEL); if (skspcl->req.sg == NULL) { @@ -4353,25 +4350,21 @@ static int skd_cons_sksb(struct skd_device *skdev) nbytes = SKD_N_INTERNAL_BYTES; - skspcl->data_buf = pci_alloc_consistent(skdev->pdev, nbytes, - &skspcl->db_dma_address); + skspcl->data_buf = pci_zalloc_consistent(skdev->pdev, nbytes, + &skspcl->db_dma_address); if (skspcl->data_buf == NULL) { rc = -ENOMEM; goto err_out; } - memset(skspcl->data_buf, 0, nbytes); - nbytes = SKD_N_SPECIAL_FITMSG_BYTES; - skspcl->msg_buf = pci_alloc_consistent(skdev->pdev, nbytes, - &skspcl->mb_dma_address); + skspcl->msg_buf = pci_zalloc_consistent(skdev->pdev, nbytes, + &skspcl->mb_dma_address); if (skspcl->msg_buf == NULL) { rc = -ENOMEM; goto err_out; } - memset(skspcl->msg_buf, 0, nbytes); - skspcl->req.sksg_list = skd_cons_sg_list(skdev, 1, &skspcl->req.sksg_dma_address); if (skspcl->req.sksg_list == NULL) { diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c index 12fea3e22348..8d2a7728434d 100644 --- a/drivers/crypto/hifn_795x.c +++ b/drivers/crypto/hifn_795x.c @@ -2617,14 +2617,13 @@ static int hifn_probe(struct pci_dev *pdev, const struct pci_device_id *id) } } - dev->desc_virt = pci_alloc_consistent(pdev, sizeof(struct hifn_dma), - &dev->desc_dma); + dev->desc_virt = pci_zalloc_consistent(pdev, sizeof(struct hifn_dma), + &dev->desc_dma); if (!dev->desc_virt) { dprintk("Failed to allocate descriptor rings.\n"); err = -ENOMEM; goto err_out_unmap_bars; } - memset(dev->desc_virt, 0, sizeof(struct hifn_dma)); dev->pdev = pdev; dev->irq = pdev->irq; diff --git a/drivers/firmware/efi/runtime-map.c b/drivers/firmware/efi/runtime-map.c index 97cdd16a2169..018c29a26615 100644 --- a/drivers/firmware/efi/runtime-map.c +++ b/drivers/firmware/efi/runtime-map.c @@ -138,6 +138,27 @@ add_sysfs_runtime_map_entry(struct kobject *kobj, int nr) return entry; } +int efi_get_runtime_map_size(void) +{ + return nr_efi_runtime_map * efi_memdesc_size; +} + +int efi_get_runtime_map_desc_size(void) +{ + return efi_memdesc_size; +} + +int efi_runtime_map_copy(void *buf, size_t bufsz) +{ + size_t sz = efi_get_runtime_map_size(); + + if (sz > bufsz) + sz = bufsz; + + memcpy(buf, efi_runtime_map, sz); + return 0; +} + void efi_runtime_map_setup(void *map, int nr_entries, u32 desc_size) { efi_runtime_map = map; diff --git a/drivers/gpio/gpio-zevio.c b/drivers/gpio/gpio-zevio.c index 54e54e4cc6c4..cd71e5769a76 100644 --- a/drivers/gpio/gpio-zevio.c +++ b/drivers/gpio/gpio-zevio.c @@ -18,6 +18,10 @@ #include <linux/slab.h> #include <linux/gpio.h> +#ifndef IOMEM +#define IOMEM(x) ((void __force __iomem *)(x)) +#endif + /* * Memory layout: * This chip has four gpio sections, each controls 8 GPIOs. diff --git a/drivers/gpu/drm/i810/i810_dma.c b/drivers/gpu/drm/i810/i810_dma.c index e88bac1d781f..bae897de9468 100644 --- a/drivers/gpu/drm/i810/i810_dma.c +++ b/drivers/gpu/drm/i810/i810_dma.c @@ -393,15 +393,14 @@ static int i810_dma_initialize(struct drm_device *dev, /* Program Hardware Status Page */ dev_priv->hw_status_page = - pci_alloc_consistent(dev->pdev, PAGE_SIZE, - &dev_priv->dma_status_page); + pci_zalloc_consistent(dev->pdev, PAGE_SIZE, + &dev_priv->dma_status_page); if (!dev_priv->hw_status_page) { dev->dev_private = (void *)dev_priv; i810_dma_cleanup(dev); DRM_ERROR("Can not allocate hardware status page\n"); return -ENOMEM; } - memset(dev_priv->hw_status_page, 0, PAGE_SIZE); DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page); I810_WRITE(0x02080, dev_priv->dma_status_page); diff --git a/drivers/infiniband/hw/amso1100/c2.c b/drivers/infiniband/hw/amso1100/c2.c index 00400c352c1a..766a71ccefed 100644 --- a/drivers/infiniband/hw/amso1100/c2.c +++ b/drivers/infiniband/hw/amso1100/c2.c @@ -604,16 +604,14 @@ static int c2_up(struct net_device *netdev) tx_size = c2_port->tx_ring.count * sizeof(struct c2_tx_desc); c2_port->mem_size = tx_size + rx_size; - c2_port->mem = pci_alloc_consistent(c2dev->pcidev, c2_port->mem_size, - &c2_port->dma); + c2_port->mem = pci_zalloc_consistent(c2dev->pcidev, c2_port->mem_size, + &c2_port->dma); if (c2_port->mem == NULL) { pr_debug("Unable to allocate memory for " "host descriptor rings\n"); return -ENOMEM; } - memset(c2_port->mem, 0, c2_port->mem_size); - /* Create the Rx host descriptor ring */ if ((ret = c2_rx_ring_alloc(&c2_port->rx_ring, c2_port->mem, c2_port->dma, diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c index 90200245c5eb..02120d340d50 100644 --- a/drivers/infiniband/hw/nes/nes_hw.c +++ b/drivers/infiniband/hw/nes/nes_hw.c @@ -1003,13 +1003,13 @@ int nes_init_cqp(struct nes_device *nesdev) (sizeof(struct nes_hw_aeqe) * nesadapter->max_qp) + sizeof(struct nes_hw_cqp_qp_context); - nesdev->cqp_vbase = pci_alloc_consistent(nesdev->pcidev, nesdev->cqp_mem_size, - &nesdev->cqp_pbase); + nesdev->cqp_vbase = pci_zalloc_consistent(nesdev->pcidev, + nesdev->cqp_mem_size, + &nesdev->cqp_pbase); if (!nesdev->cqp_vbase) { nes_debug(NES_DBG_INIT, "Unable to allocate memory for host descriptor rings\n"); return -ENOMEM; } - memset(nesdev->cqp_vbase, 0, nesdev->cqp_mem_size); /* Allocate a twice the number of CQP requests as the SQ size */ nesdev->nes_cqp_requests = kzalloc(sizeof(struct nes_cqp_request) * @@ -1691,13 +1691,13 @@ int nes_init_nic_qp(struct nes_device *nesdev, struct net_device *netdev) (NES_NIC_WQ_SIZE * 2 * sizeof(struct nes_hw_nic_cqe)) + sizeof(struct nes_hw_nic_qp_context); - nesvnic->nic_vbase = pci_alloc_consistent(nesdev->pcidev, nesvnic->nic_mem_size, - &nesvnic->nic_pbase); + nesvnic->nic_vbase = pci_zalloc_consistent(nesdev->pcidev, + nesvnic->nic_mem_size, + &nesvnic->nic_pbase); if (!nesvnic->nic_vbase) { nes_debug(NES_DBG_INIT, "Unable to allocate memory for NIC host descriptor rings\n"); return -ENOMEM; } - memset(nesvnic->nic_vbase, 0, nesvnic->nic_mem_size); nes_debug(NES_DBG_INIT, "Allocated NIC QP structures at %p (phys = %016lX), size = %u.\n", nesvnic->nic_vbase, (unsigned long)nesvnic->nic_pbase, nesvnic->nic_mem_size); diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c index 218dd3574285..fef067c959fc 100644 --- a/drivers/infiniband/hw/nes/nes_verbs.c +++ b/drivers/infiniband/hw/nes/nes_verbs.c @@ -1616,8 +1616,8 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, entries, nescq->cq_mem_size, nescq->hw_cq.cq_number); /* allocate the physical buffer space */ - mem = pci_alloc_consistent(nesdev->pcidev, nescq->cq_mem_size, - &nescq->hw_cq.cq_pbase); + mem = pci_zalloc_consistent(nesdev->pcidev, nescq->cq_mem_size, + &nescq->hw_cq.cq_pbase); if (!mem) { printk(KERN_ERR PFX "Unable to allocate pci memory for cq\n"); nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num); @@ -1625,7 +1625,6 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries, return ERR_PTR(-ENOMEM); } - memset(mem, 0, nescq->cq_mem_size); nescq->hw_cq.cq_vbase = mem; nescq->hw_cq.cq_head = 0; nes_debug(NES_DBG_CQ, "CQ%u virtual address @ %p, phys = 0x%08X\n", diff --git a/drivers/media/common/saa7146/saa7146_core.c b/drivers/media/common/saa7146/saa7146_core.c index 34b0d0ddeef3..97afee672d07 100644 --- a/drivers/media/common/saa7146/saa7146_core.c +++ b/drivers/media/common/saa7146/saa7146_core.c @@ -421,23 +421,20 @@ static int saa7146_init_one(struct pci_dev *pci, const struct pci_device_id *ent err = -ENOMEM; /* get memory for various stuff */ - dev->d_rps0.cpu_addr = pci_alloc_consistent(pci, SAA7146_RPS_MEM, - &dev->d_rps0.dma_handle); + dev->d_rps0.cpu_addr = pci_zalloc_consistent(pci, SAA7146_RPS_MEM, + &dev->d_rps0.dma_handle); if (!dev->d_rps0.cpu_addr) goto err_free_irq; - memset(dev->d_rps0.cpu_addr, 0x0, SAA7146_RPS_MEM); - dev->d_rps1.cpu_addr = pci_alloc_consistent(pci, SAA7146_RPS_MEM, - &dev->d_rps1.dma_handle); + dev->d_rps1.cpu_addr = pci_zalloc_consistent(pci, SAA7146_RPS_MEM, + &dev->d_rps1.dma_handle); if (!dev->d_rps1.cpu_addr) goto err_free_rps0; - memset(dev->d_rps1.cpu_addr, 0x0, SAA7146_RPS_MEM); - dev->d_i2c.cpu_addr = pci_alloc_consistent(pci, SAA7146_RPS_MEM, - &dev->d_i2c.dma_handle); + dev->d_i2c.cpu_addr = pci_zalloc_consistent(pci, SAA7146_RPS_MEM, + &dev->d_i2c.dma_handle); if (!dev->d_i2c.cpu_addr) goto err_free_rps1; - memset(dev->d_i2c.cpu_addr, 0x0, SAA7146_RPS_MEM); /* the rest + print status message */ diff --git a/drivers/media/common/saa7146/saa7146_fops.c b/drivers/media/common/saa7146/saa7146_fops.c index d9e1d6395ed9..6c47f3fe9b0f 100644 --- a/drivers/media/common/saa7146/saa7146_fops.c +++ b/drivers/media/common/saa7146/saa7146_fops.c @@ -520,14 +520,15 @@ int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv) configuration data) */ dev->ext_vv_data = ext_vv; - vv->d_clipping.cpu_addr = pci_alloc_consistent(dev->pci, SAA7146_CLIPPING_MEM, &vv->d_clipping.dma_handle); + vv->d_clipping.cpu_addr = + pci_zalloc_consistent(dev->pci, SAA7146_CLIPPING_MEM, + &vv->d_clipping.dma_handle); if( NULL == vv->d_clipping.cpu_addr ) { ERR("out of memory. aborting.\n"); kfree(vv); v4l2_ctrl_handler_free(hdl); return -1; } - memset(vv->d_clipping.cpu_addr, 0x0, SAA7146_CLIPPING_MEM); saa7146_video_uops.init(dev,vv); if (dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE) diff --git a/drivers/media/pci/bt8xx/bt878.c b/drivers/media/pci/bt8xx/bt878.c index d0c281f41a0a..11765835d7b2 100644 --- a/drivers/media/pci/bt8xx/bt878.c +++ b/drivers/media/pci/bt8xx/bt878.c @@ -101,28 +101,20 @@ static int bt878_mem_alloc(struct bt878 *bt) if (!bt->buf_cpu) { bt->buf_size = 128 * 1024; - bt->buf_cpu = - pci_alloc_consistent(bt->dev, bt->buf_size, - &bt->buf_dma); - + bt->buf_cpu = pci_zalloc_consistent(bt->dev, bt->buf_size, + &bt->buf_dma); if (!bt->buf_cpu) return -ENOMEM; - - memset(bt->buf_cpu, 0, bt->buf_size); } if (!bt->risc_cpu) { bt->risc_size = PAGE_SIZE; - bt->risc_cpu = - pci_alloc_consistent(bt->dev, bt->risc_size, - &bt->risc_dma); - + bt->risc_cpu = pci_zalloc_consistent(bt->dev, bt->risc_size, + &bt->risc_dma); if (!bt->risc_cpu) { bt878_mem_free(bt); return -ENOMEM; } - - memset(bt->risc_cpu, 0, bt->risc_size); } return 0; diff --git a/drivers/media/pci/ngene/ngene-core.c b/drivers/media/pci/ngene/ngene-core.c index 826228c3800e..4930b55fd5f4 100644 --- a/drivers/media/pci/ngene/ngene-core.c +++ b/drivers/media/pci/ngene/ngene-core.c @@ -1075,12 +1075,11 @@ static int AllocCommonBuffers(struct ngene *dev) dev->ngenetohost = dev->FWInterfaceBuffer + 256; dev->EventBuffer = dev->FWInterfaceBuffer + 512; - dev->OverflowBuffer = pci_alloc_consistent(dev->pci_dev, - OVERFLOW_BUFFER_SIZE, - &dev->PAOverflowBuffer); + dev->OverflowBuffer = pci_zalloc_consistent(dev->pci_dev, + OVERFLOW_BUFFER_SIZE, + &dev->PAOverflowBuffer); if (!dev->OverflowBuffer) return -ENOMEM; - memset(dev->OverflowBuffer, 0, OVERFLOW_BUFFER_SIZE); for (i = STREAM_VIDEOIN1; i < MAX_STREAM; i++) { int type = dev->card_info->io_type[i]; diff --git a/drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c b/drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c index f166ffc9800a..cef7a00099ea 100644 --- a/drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c +++ b/drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c @@ -803,11 +803,9 @@ static int ttusb_alloc_iso_urbs(struct ttusb *ttusb) { int i; - ttusb->iso_buffer = pci_alloc_consistent(NULL, - ISO_FRAME_SIZE * - FRAMES_PER_ISO_BUF * - ISO_BUF_COUNT, - &ttusb->iso_dma_handle); + ttusb->iso_buffer = pci_zalloc_consistent(NULL, + ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF * ISO_BUF_COUNT, + &ttusb->iso_dma_handle); if (!ttusb->iso_buffer) { dprintk("%s: pci_alloc_consistent - not enough memory\n", @@ -815,9 +813,6 @@ static int ttusb_alloc_iso_urbs(struct ttusb *ttusb) return -ENOMEM; } - memset(ttusb->iso_buffer, 0, - ISO_FRAME_SIZE * FRAMES_PER_ISO_BUF * ISO_BUF_COUNT); - for (i = 0; i < ISO_BUF_COUNT; i++) { struct urb *urb; diff --git a/drivers/media/usb/ttusb-dec/ttusb_dec.c b/drivers/media/usb/ttusb-dec/ttusb_dec.c index 29724af9b9ab..15ab584cf265 100644 --- a/drivers/media/usb/ttusb-dec/ttusb_dec.c +++ b/drivers/media/usb/ttusb-dec/ttusb_dec.c @@ -1151,11 +1151,9 @@ static int ttusb_dec_alloc_iso_urbs(struct ttusb_dec *dec) dprintk("%s\n", __func__); - dec->iso_buffer = pci_alloc_consistent(NULL, - ISO_FRAME_SIZE * - (FRAMES_PER_ISO_BUF * - ISO_BUF_COUNT), - &dec->iso_dma_handle); + dec->iso_buffer = pci_zalloc_consistent(NULL, + ISO_FRAME_SIZE * (FRAMES_PER_ISO_BUF * ISO_BUF_COUNT), + &dec->iso_dma_handle); if (!dec->iso_buffer) { dprintk("%s: pci_alloc_consistent - not enough memory\n", @@ -1163,9 +1161,6 @@ static int ttusb_dec_alloc_iso_urbs(struct ttusb_dec *dec) return -ENOMEM; } - memset(dec->iso_buffer, 0, - ISO_FRAME_SIZE * (FRAMES_PER_ISO_BUF * ISO_BUF_COUNT)); - for (i = 0; i < ISO_BUF_COUNT; i++) { struct urb *urb; diff --git a/drivers/net/ethernet/amd/pcnet32.c b/drivers/net/ethernet/amd/pcnet32.c index e7cc9174e364..4a8fdc4721d5 100644 --- a/drivers/net/ethernet/amd/pcnet32.c +++ b/drivers/net/ethernet/amd/pcnet32.c @@ -481,37 +481,32 @@ static void pcnet32_realloc_tx_ring(struct net_device *dev, dma_addr_t *new_dma_addr_list; struct pcnet32_tx_head *new_tx_ring; struct sk_buff **new_skb_list; + unsigned int entries = BIT(size); pcnet32_purge_tx_ring(dev); - new_tx_ring = pci_alloc_consistent(lp->pci_dev, - sizeof(struct pcnet32_tx_head) * - (1 << size), - &new_ring_dma_addr); - if (new_tx_ring == NULL) { - netif_err(lp, drv, dev, "Consistent memory allocation failed\n"); + new_tx_ring = + pci_zalloc_consistent(lp->pci_dev, + sizeof(struct pcnet32_tx_head) * entries, + &new_ring_dma_addr); + if (new_tx_ring == NULL) return; - } - memset(new_tx_ring, 0, sizeof(struct pcnet32_tx_head) * (1 << size)); - new_dma_addr_list = kcalloc(1 << size, sizeof(dma_addr_t), - GFP_ATOMIC); + new_dma_addr_list = kcalloc(entries, sizeof(dma_addr_t), GFP_ATOMIC); if (!new_dma_addr_list) goto free_new_tx_ring; - new_skb_list = kcalloc(1 << size, sizeof(struct sk_buff *), - GFP_ATOMIC); + new_skb_list = kcalloc(entries, sizeof(struct sk_buff *), GFP_ATOMIC); if (!new_skb_list) goto free_new_lists; kfree(lp->tx_skbuff); kfree(lp->tx_dma_addr); pci_free_consistent(lp->pci_dev, - sizeof(struct pcnet32_tx_head) * - lp->tx_ring_size, lp->tx_ring, - lp->tx_ring_dma_addr); + sizeof(struct pcnet32_tx_head) * lp->tx_ring_size, + lp->tx_ring, lp->tx_ring_dma_addr); - lp->tx_ring_size = (1 << size); + lp->tx_ring_size = entries; lp->tx_mod_mask = lp->tx_ring_size - 1; lp->tx_len_bits = (size << 12); lp->tx_ring = new_tx_ring; @@ -524,8 +519,7 @@ free_new_lists: kfree(new_dma_addr_list); free_new_tx_ring: pci_free_consistent(lp->pci_dev, - sizeof(struct pcnet32_tx_head) * - (1 << size), + sizeof(struct pcnet32_tx_head) * entries, new_tx_ring, new_ring_dma_addr); } @@ -549,17 +543,14 @@ static void pcnet32_realloc_rx_ring(struct net_device *dev, struct pcnet32_rx_head *new_rx_ring; struct sk_buff **new_skb_list; int new, overlap; - unsigned int entries = 1 << size; + unsigned int entries = BIT(size); - new_rx_ring = pci_alloc_consistent(lp->pci_dev, - sizeof(struct pcnet32_rx_head) * - entries, - &new_ring_dma_addr); - if (new_rx_ring == NULL) { - netif_err(lp, drv, dev, "Consistent memory allocation failed\n"); + new_rx_ring = + pci_zalloc_consistent(lp->pci_dev, + sizeof(struct pcnet32_rx_head) * entries, + &new_ring_dma_addr); + if (new_rx_ring == NULL) return; - } - memset(new_rx_ring, 0, sizeof(struct pcnet32_rx_head) * entries); new_dma_addr_list = kcalloc(entries, sizeof(dma_addr_t), GFP_ATOMIC); if (!new_dma_addr_list) diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c index 4345332533ad..316e0c3fe048 100644 --- a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c +++ b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c @@ -831,17 +831,14 @@ static int atl1e_setup_ring_resources(struct atl1e_adapter *adapter) /* real ring DMA buffer */ size = adapter->ring_size; - adapter->ring_vir_addr = pci_alloc_consistent(pdev, - adapter->ring_size, &adapter->ring_dma); - + adapter->ring_vir_addr = pci_zalloc_consistent(pdev, adapter->ring_size, + &adapter->ring_dma); if (adapter->ring_vir_addr == NULL) { netdev_err(adapter->netdev, "pci_alloc_consistent failed, size = D%d\n", size); return -ENOMEM; } - memset(adapter->ring_vir_addr, 0, adapter->ring_size); - rx_page_desc = rx_ring->rx_page_desc; /* Init TPD Ring */ diff --git a/drivers/net/ethernet/cisco/enic/vnic_dev.c b/drivers/net/ethernet/cisco/enic/vnic_dev.c index 5abc496bcf29..37472ce4fac3 100644 --- a/drivers/net/ethernet/cisco/enic/vnic_dev.c +++ b/drivers/net/ethernet/cisco/enic/vnic_dev.c @@ -432,14 +432,12 @@ int vnic_dev_fw_info(struct vnic_dev *vdev, int err = 0; if (!vdev->fw_info) { - vdev->fw_info = pci_alloc_consistent(vdev->pdev, - sizeof(struct vnic_devcmd_fw_info), - &vdev->fw_info_pa); + vdev->fw_info = pci_zalloc_consistent(vdev->pdev, + sizeof(struct vnic_devcmd_fw_info), + &vdev->fw_info_pa); if (!vdev->fw_info) return -ENOMEM; - memset(vdev->fw_info, 0, sizeof(struct vnic_devcmd_fw_info)); - a0 = vdev->fw_info_pa; a1 = sizeof(struct vnic_devcmd_fw_info); diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c index 69693384b58c..59915144aabb 100644 --- a/drivers/net/ethernet/marvell/sky2.c +++ b/drivers/net/ethernet/marvell/sky2.c @@ -1622,11 +1622,10 @@ static int sky2_alloc_buffers(struct sky2_port *sky2) if (!sky2->tx_ring) goto nomem; - sky2->rx_le = pci_alloc_consistent(hw->pdev, RX_LE_BYTES, - &sky2->rx_le_map); + sky2->rx_le = pci_zalloc_consistent(hw->pdev, RX_LE_BYTES, + &sky2->rx_le_map); if (!sky2->rx_le) goto nomem; - memset(sky2->rx_le, 0, RX_LE_BYTES); sky2->rx_ring = kcalloc(sky2->rx_pending, sizeof(struct rx_ring_info), GFP_KERNEL); diff --git a/drivers/net/ethernet/micrel/ksz884x.c b/drivers/net/ethernet/micrel/ksz884x.c index 064a48d0c368..cd5f106306d9 100644 --- a/drivers/net/ethernet/micrel/ksz884x.c +++ b/drivers/net/ethernet/micrel/ksz884x.c @@ -4409,14 +4409,13 @@ static int ksz_alloc_desc(struct dev_info *adapter) DESC_ALIGNMENT; adapter->desc_pool.alloc_virt = - pci_alloc_consistent( - adapter->pdev, adapter->desc_pool.alloc_size, - &adapter->desc_pool.dma_addr); + pci_zalloc_consistent(adapter->pdev, + adapter->desc_pool.alloc_size, + &adapter->desc_pool.dma_addr); if (adapter->desc_pool.alloc_virt == NULL) { adapter->desc_pool.alloc_size = 0; return 1; } - memset(adapter->desc_pool.alloc_virt, 0, adapter->desc_pool.alloc_size); /* Align to the next cache line boundary. */ offset = (((ulong) adapter->desc_pool.alloc_virt % DESC_ALIGNMENT) ? diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_ctx.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_ctx.c index 6f6be57f4690..b8d5270359cd 100644 --- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_ctx.c +++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_ctx.c @@ -129,14 +129,12 @@ netxen_get_minidump_template(struct netxen_adapter *adapter) return NX_RCODE_INVALID_ARGS; } - addr = pci_alloc_consistent(adapter->pdev, size, &md_template_addr); - + addr = pci_zalloc_consistent(adapter->pdev, size, &md_template_addr); if (!addr) { dev_err(&adapter->pdev->dev, "Unable to allocate dmable memory for template.\n"); return -ENOMEM; } - memset(addr, 0, size); memset(&cmd, 0, sizeof(cmd)); memset(&cmd.rsp, 1, sizeof(struct _cdrp_cmd)); cmd.req.cmd = NX_CDRP_CMD_GET_TEMP_HDR; diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c index b40050e03a56..d836ace52277 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c @@ -2727,23 +2727,22 @@ static void ql_free_shadow_space(struct ql_adapter *qdev) static int ql_alloc_shadow_space(struct ql_adapter *qdev) { qdev->rx_ring_shadow_reg_area = - pci_alloc_consistent(qdev->pdev, - PAGE_SIZE, &qdev->rx_ring_shadow_reg_dma); + pci_zalloc_consistent(qdev->pdev, PAGE_SIZE, + &qdev->rx_ring_shadow_reg_dma); if (qdev->rx_ring_shadow_reg_area == NULL) { netif_err(qdev, ifup, qdev->ndev, "Allocation of RX shadow space failed.\n"); return -ENOMEM; } - memset(qdev->rx_ring_shadow_reg_area, 0, PAGE_SIZE); + qdev->tx_ring_shadow_reg_area = - pci_alloc_consistent(qdev->pdev, PAGE_SIZE, - &qdev->tx_ring_shadow_reg_dma); + pci_zalloc_consistent(qdev->pdev, PAGE_SIZE, + &qdev->tx_ring_shadow_reg_dma); if (qdev->tx_ring_shadow_reg_area == NULL) { netif_err(qdev, ifup, qdev->ndev, "Allocation of TX shadow space failed.\n"); goto err_wqp_sh_area; } - memset(qdev->tx_ring_shadow_reg_area, 0, PAGE_SIZE); return 0; err_wqp_sh_area: diff --git a/drivers/net/irda/vlsi_ir.c b/drivers/net/irda/vlsi_ir.c index 485006604bbc..58ef59469dd0 100644 --- a/drivers/net/irda/vlsi_ir.c +++ b/drivers/net/irda/vlsi_ir.c @@ -485,13 +485,13 @@ static int vlsi_create_hwif(vlsi_irda_dev_t *idev) idev->virtaddr = NULL; idev->busaddr = 0; - ringarea = pci_alloc_consistent(idev->pdev, HW_RING_AREA_SIZE, &idev->busaddr); + ringarea = pci_zalloc_consistent(idev->pdev, HW_RING_AREA_SIZE, + &idev->busaddr); if (!ringarea) { IRDA_ERROR("%s: insufficient memory for descriptor rings\n", __func__); goto out; } - memset(ringarea, 0, HW_RING_AREA_SIZE); hwmap = (struct ring_descr_hw *)ringarea; idev->rx_ring = vlsi_alloc_ring(idev->pdev, hwmap, ringsize[1], diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c index dfc6dfc56d52..1ab8e500fb77 100644 --- a/drivers/net/wireless/ipw2x00/ipw2100.c +++ b/drivers/net/wireless/ipw2x00/ipw2100.c @@ -3449,8 +3449,9 @@ static int ipw2100_msg_allocate(struct ipw2100_priv *priv) return -ENOMEM; for (i = 0; i < IPW_COMMAND_POOL_SIZE; i++) { - v = pci_alloc_consistent(priv->pci_dev, - sizeof(struct ipw2100_cmd_header), &p); + v = pci_zalloc_consistent(priv->pci_dev, + sizeof(struct ipw2100_cmd_header), + &p); if (!v) { printk(KERN_ERR DRV_NAME ": " "%s: PCI alloc failed for msg " @@ -3459,8 +3460,6 @@ static int ipw2100_msg_allocate(struct ipw2100_priv *priv) break; } - memset(v, 0, sizeof(struct ipw2100_cmd_header)); - priv->msg_buffers[i].type = COMMAND; priv->msg_buffers[i].info.c_struct.cmd = (struct ipw2100_cmd_header *)v; @@ -4336,16 +4335,12 @@ static int status_queue_allocate(struct ipw2100_priv *priv, int entries) IPW_DEBUG_INFO("enter\n"); q->size = entries * sizeof(struct ipw2100_status); - q->drv = - (struct ipw2100_status *)pci_alloc_consistent(priv->pci_dev, - q->size, &q->nic); + q->drv = pci_zalloc_consistent(priv->pci_dev, q->size, &q->nic); if (!q->drv) { IPW_DEBUG_WARNING("Can not allocate status queue.\n"); return -ENOMEM; } - memset(q->drv, 0, q->size); - IPW_DEBUG_INFO("exit\n"); return 0; @@ -4374,13 +4369,12 @@ static int bd_queue_allocate(struct ipw2100_priv *priv, q->entries = entries; q->size = entries * sizeof(struct ipw2100_bd); - q->drv = pci_alloc_consistent(priv->pci_dev, q->size, &q->nic); + q->drv = pci_zalloc_consistent(priv->pci_dev, q->size, &q->nic); if (!q->drv) { IPW_DEBUG_INFO ("can't allocate shared memory for buffer descriptors\n"); return -ENOMEM; } - memset(q->drv, 0, q->size); IPW_DEBUG_INFO("exit\n"); diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c index 9a3d4d6724f7..fc6cb215e761 100644 --- a/drivers/net/wireless/mwl8k.c +++ b/drivers/net/wireless/mwl8k.c @@ -1159,12 +1159,11 @@ static int mwl8k_rxq_init(struct ieee80211_hw *hw, int index) size = MWL8K_RX_DESCS * priv->rxd_ops->rxd_size; - rxq->rxd = pci_alloc_consistent(priv->pdev, size, &rxq->rxd_dma); + rxq->rxd = pci_zalloc_consistent(priv->pdev, size, &rxq->rxd_dma); if (rxq->rxd == NULL) { wiphy_err(hw->wiphy, "failed to alloc RX descriptors\n"); return -ENOMEM; } - memset(rxq->rxd, 0, size); rxq->buf = kcalloc(MWL8K_RX_DESCS, sizeof(*rxq->buf), GFP_KERNEL); if (rxq->buf == NULL) { @@ -1451,12 +1450,11 @@ static int mwl8k_txq_init(struct ieee80211_hw *hw, int index) size = MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc); - txq->txd = pci_alloc_consistent(priv->pdev, size, &txq->txd_dma); + txq->txd = pci_zalloc_consistent(priv->pdev, size, &txq->txd_dma); if (txq->txd == NULL) { wiphy_err(hw->wiphy, "failed to alloc TX descriptors\n"); return -ENOMEM; } - memset(txq->txd, 0, size); txq->skb = kcalloc(MWL8K_TX_DESCS, sizeof(*txq->skb), GFP_KERNEL); if (txq->skb == NULL) { diff --git a/drivers/net/wireless/rtl818x/rtl8180/dev.c b/drivers/net/wireless/rtl818x/rtl8180/dev.c index 4b904f708184..fcc45e5bf50a 100644 --- a/drivers/net/wireless/rtl818x/rtl8180/dev.c +++ b/drivers/net/wireless/rtl818x/rtl8180/dev.c @@ -972,16 +972,13 @@ static int rtl8180_init_rx_ring(struct ieee80211_hw *dev) else priv->rx_ring_sz = sizeof(struct rtl8180_rx_desc); - priv->rx_ring = pci_alloc_consistent(priv->pdev, - priv->rx_ring_sz * 32, - &priv->rx_ring_dma); - + priv->rx_ring = pci_zalloc_consistent(priv->pdev, priv->rx_ring_sz * 32, + &priv->rx_ring_dma); if (!priv->rx_ring || (unsigned long)priv->rx_ring & 0xFF) { wiphy_err(dev->wiphy, "Cannot allocate RX ring\n"); return -ENOMEM; } - memset(priv->rx_ring, 0, priv->rx_ring_sz * 32); priv->rx_idx = 0; for (i = 0; i < 32; i++) { @@ -1040,14 +1037,14 @@ static int rtl8180_init_tx_ring(struct ieee80211_hw *dev, dma_addr_t dma; int i; - ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma); + ring = pci_zalloc_consistent(priv->pdev, sizeof(*ring) * entries, + &dma); if (!ring || (unsigned long)ring & 0xFF) { wiphy_err(dev->wiphy, "Cannot allocate TX ring (prio = %d)\n", prio); return -ENOMEM; } - memset(ring, 0, sizeof(*ring)*entries); priv->tx_ring[prio].desc = ring; priv->tx_ring[prio].dma = dma; priv->tx_ring[prio].idx = 0; diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c index dae55257f0e8..67d1ee6edcad 100644 --- a/drivers/net/wireless/rtlwifi/pci.c +++ b/drivers/net/wireless/rtlwifi/pci.c @@ -1092,16 +1092,14 @@ static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw, u32 nextdescaddress; int i; - ring = pci_alloc_consistent(rtlpci->pdev, - sizeof(*ring) * entries, &dma); - + ring = pci_zalloc_consistent(rtlpci->pdev, sizeof(*ring) * entries, + &dma); if (!ring || (unsigned long)ring & 0xFF) { RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, "Cannot allocate TX ring (prio = %d)\n", prio); return -ENOMEM; } - memset(ring, 0, sizeof(*ring) * entries); rtlpci->tx_ring[prio].desc = ring; rtlpci->tx_ring[prio].dma = dma; rtlpci->tx_ring[prio].idx = 0; @@ -1139,10 +1137,9 @@ static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw) for (rx_queue_idx = 0; rx_queue_idx < RTL_PCI_MAX_RX_QUEUE; rx_queue_idx++) { rtlpci->rx_ring[rx_queue_idx].desc = - pci_alloc_consistent(rtlpci->pdev, - sizeof(*rtlpci->rx_ring[rx_queue_idx]. - desc) * rtlpci->rxringcount, - &rtlpci->rx_ring[rx_queue_idx].dma); + pci_zalloc_consistent(rtlpci->pdev, + sizeof(*rtlpci->rx_ring[rx_queue_idx].desc) * rtlpci->rxringcount, + &rtlpci->rx_ring[rx_queue_idx].dma); if (!rtlpci->rx_ring[rx_queue_idx].desc || (unsigned long)rtlpci->rx_ring[rx_queue_idx].desc & 0xFF) { @@ -1151,10 +1148,6 @@ static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw) return -ENOMEM; } - memset(rtlpci->rx_ring[rx_queue_idx].desc, 0, - sizeof(*rtlpci->rx_ring[rx_queue_idx].desc) * - rtlpci->rxringcount); - rtlpci->rx_ring[rx_queue_idx].idx = 0; /* If amsdu_8k is disabled, set buffersize to 4096. This diff --git a/drivers/scsi/3w-sas.c b/drivers/scsi/3w-sas.c index 4de346017e9f..6da6cec9a651 100644 --- a/drivers/scsi/3w-sas.c +++ b/drivers/scsi/3w-sas.c @@ -683,14 +683,13 @@ static int twl_allocate_memory(TW_Device_Extension *tw_dev, int size, int which) unsigned long *cpu_addr; int retval = 1; - cpu_addr = pci_alloc_consistent(tw_dev->tw_pci_dev, size*TW_Q_LENGTH, &dma_handle); + cpu_addr = pci_zalloc_consistent(tw_dev->tw_pci_dev, size * TW_Q_LENGTH, + &dma_handle); if (!cpu_addr) { TW_PRINTK(tw_dev->host, TW_DRIVER, 0x5, "Memory allocation failed"); goto out; } - memset(cpu_addr, 0, size*TW_Q_LENGTH); - for (i = 0; i < TW_Q_LENGTH; i++) { switch(which) { case 0: diff --git a/drivers/scsi/a100u2w.c b/drivers/scsi/a100u2w.c index 522570d297ca..7e33a61c1ba4 100644 --- a/drivers/scsi/a100u2w.c +++ b/drivers/scsi/a100u2w.c @@ -1125,23 +1125,19 @@ static int inia100_probe_one(struct pci_dev *pdev, /* Get total memory needed for SCB */ sz = ORC_MAXQUEUE * sizeof(struct orc_scb); - host->scb_virt = pci_alloc_consistent(pdev, sz, - &host->scb_phys); + host->scb_virt = pci_zalloc_consistent(pdev, sz, &host->scb_phys); if (!host->scb_virt) { printk("inia100: SCB memory allocation error\n"); goto out_host_put; } - memset(host->scb_virt, 0, sz); /* Get total memory needed for ESCB */ sz = ORC_MAXQUEUE * sizeof(struct orc_extended_scb); - host->escb_virt = pci_alloc_consistent(pdev, sz, - &host->escb_phys); + host->escb_virt = pci_zalloc_consistent(pdev, sz, &host->escb_phys); if (!host->escb_virt) { printk("inia100: ESCB memory allocation error\n"); goto out_free_scb_array; } - memset(host->escb_virt, 0, sz); biosaddr = host->BIOScfg; biosaddr = (biosaddr << 4); diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index 56467df3d6de..eb3e3e619155 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -3538,10 +3538,9 @@ static int be_queue_alloc(struct beiscsi_hba *phba, struct be_queue_info *q, q->len = len; q->entry_size = entry_size; mem->size = len * entry_size; - mem->va = pci_alloc_consistent(phba->pcidev, mem->size, &mem->dma); + mem->va = pci_zalloc_consistent(phba->pcidev, mem->size, &mem->dma); if (!mem->va) return -ENOMEM; - memset(mem->va, 0, mem->size); return 0; } @@ -4320,9 +4319,9 @@ static int beiscsi_get_boot_info(struct beiscsi_hba *phba) "BM_%d : No boot session\n"); return ret; } - nonemb_cmd.va = pci_alloc_consistent(phba->ctrl.pdev, - sizeof(*session_resp), - &nonemb_cmd.dma); + nonemb_cmd.va = pci_zalloc_consistent(phba->ctrl.pdev, + sizeof(*session_resp), + &nonemb_cmd.dma); if (nonemb_cmd.va == NULL) { beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG, @@ -4332,7 +4331,6 @@ static int beiscsi_get_boot_info(struct beiscsi_hba *phba) return -ENOMEM; } - memset(nonemb_cmd.va, 0, sizeof(*session_resp)); tag = mgmt_get_session_info(phba, s_handle, &nonemb_cmd); if (!tag) { diff --git a/drivers/scsi/be2iscsi/be_mgmt.c b/drivers/scsi/be2iscsi/be_mgmt.c index a3e56487616c..665afcb74a56 100644 --- a/drivers/scsi/be2iscsi/be_mgmt.c +++ b/drivers/scsi/be2iscsi/be_mgmt.c @@ -900,13 +900,12 @@ free_cmd: static int mgmt_alloc_cmd_data(struct beiscsi_hba *phba, struct be_dma_mem *cmd, int iscsi_cmd, int size) { - cmd->va = pci_alloc_consistent(phba->ctrl.pdev, size, &cmd->dma); + cmd->va = pci_zalloc_consistent(phba->ctrl.pdev, size, &cmd->dma); if (!cmd->va) { beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG, "BG_%d : Failed to allocate memory for if info\n"); return -ENOMEM; } - memset(cmd->va, 0, size); cmd->size = size; be_cmd_hdr_prepare(cmd->va, CMD_SUBSYSTEM_ISCSI, iscsi_cmd, size); return 0; diff --git a/drivers/scsi/csiostor/csio_wr.c b/drivers/scsi/csiostor/csio_wr.c index 4255ce264abf..773da14cfa14 100644 --- a/drivers/scsi/csiostor/csio_wr.c +++ b/drivers/scsi/csiostor/csio_wr.c @@ -232,7 +232,7 @@ csio_wr_alloc_q(struct csio_hw *hw, uint32_t qsize, uint32_t wrsize, q = wrm->q_arr[free_idx]; - q->vstart = pci_alloc_consistent(hw->pdev, qsz, &q->pstart); + q->vstart = pci_zalloc_consistent(hw->pdev, qsz, &q->pstart); if (!q->vstart) { csio_err(hw, "Failed to allocate DMA memory for " @@ -240,12 +240,6 @@ csio_wr_alloc_q(struct csio_hw *hw, uint32_t qsize, uint32_t wrsize, return -1; } - /* - * We need to zero out the contents, importantly for ingress, - * since we start with a generatiom bit of 1 for ingress. - */ - memset(q->vstart, 0, qsz); - q->type = type; q->owner = owner; q->pidx = q->cidx = q->inc_idx = 0; diff --git a/drivers/scsi/eata.c b/drivers/scsi/eata.c index 03372cff38f3..813dd5c998e4 100644 --- a/drivers/scsi/eata.c +++ b/drivers/scsi/eata.c @@ -1238,8 +1238,8 @@ static int port_detect(unsigned long port_base, unsigned int j, struct eata_config *cf; dma_addr_t cf_dma_addr; - cf = pci_alloc_consistent(pdev, sizeof(struct eata_config), - &cf_dma_addr); + cf = pci_zalloc_consistent(pdev, sizeof(struct eata_config), + &cf_dma_addr); if (!cf) { printk @@ -1249,7 +1249,6 @@ static int port_detect(unsigned long port_base, unsigned int j, } /* Set board configuration */ - memset((char *)cf, 0, sizeof(struct eata_config)); cf->len = (ushort) H2DEV16((ushort) 510); cf->ocena = 1; diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 8545d1826725..6b35d0dfe64c 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -4732,23 +4732,21 @@ static struct CommandList *cmd_special_alloc(struct ctlr_info *h) union u64bit temp64; dma_addr_t cmd_dma_handle, err_dma_handle; - c = pci_alloc_consistent(h->pdev, sizeof(*c), &cmd_dma_handle); + c = pci_zalloc_consistent(h->pdev, sizeof(*c), &cmd_dma_handle); if (c == NULL) return NULL; - memset(c, 0, sizeof(*c)); c->cmd_type = CMD_SCSI; c->cmdindex = -1; - c->err_info = pci_alloc_consistent(h->pdev, sizeof(*c->err_info), - &err_dma_handle); + c->err_info = pci_zalloc_consistent(h->pdev, sizeof(*c->err_info), + &err_dma_handle); if (c->err_info == NULL) { pci_free_consistent(h->pdev, sizeof(*c), c, cmd_dma_handle); return NULL; } - memset(c->err_info, 0, sizeof(*c->err_info)); INIT_LIST_HEAD(&c->list); c->busaddr = (u32) cmd_dma_handle; diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c index e2237a97cb9d..531dce419c18 100644 --- a/drivers/scsi/megaraid/megaraid_mbox.c +++ b/drivers/scsi/megaraid/megaraid_mbox.c @@ -998,8 +998,9 @@ megaraid_alloc_cmd_packets(adapter_t *adapter) * Allocate the common 16-byte aligned memory for the handshake * mailbox. */ - raid_dev->una_mbox64 = pci_alloc_consistent(adapter->pdev, - sizeof(mbox64_t), &raid_dev->una_mbox64_dma); + raid_dev->una_mbox64 = pci_zalloc_consistent(adapter->pdev, + sizeof(mbox64_t), + &raid_dev->una_mbox64_dma); if (!raid_dev->una_mbox64) { con_log(CL_ANN, (KERN_WARNING @@ -1007,7 +1008,6 @@ megaraid_alloc_cmd_packets(adapter_t *adapter) __LINE__)); return -1; } - memset(raid_dev->una_mbox64, 0, sizeof(mbox64_t)); /* * Align the mailbox at 16-byte boundary @@ -1026,8 +1026,8 @@ megaraid_alloc_cmd_packets(adapter_t *adapter) align; // Allocate memory for commands issued internally - adapter->ibuf = pci_alloc_consistent(pdev, MBOX_IBUF_SIZE, - &adapter->ibuf_dma_h); + adapter->ibuf = pci_zalloc_consistent(pdev, MBOX_IBUF_SIZE, + &adapter->ibuf_dma_h); if (!adapter->ibuf) { con_log(CL_ANN, (KERN_WARNING @@ -1036,7 +1036,6 @@ megaraid_alloc_cmd_packets(adapter_t *adapter) goto out_free_common_mbox; } - memset(adapter->ibuf, 0, MBOX_IBUF_SIZE); // Allocate memory for our SCSI Command Blocks and their associated // memory @@ -2972,8 +2971,8 @@ megaraid_mbox_product_info(adapter_t *adapter) * Issue an ENQUIRY3 command to find out certain adapter parameters, * e.g., max channels, max commands etc. */ - pinfo = pci_alloc_consistent(adapter->pdev, sizeof(mraid_pinfo_t), - &pinfo_dma_h); + pinfo = pci_zalloc_consistent(adapter->pdev, sizeof(mraid_pinfo_t), + &pinfo_dma_h); if (pinfo == NULL) { con_log(CL_ANN, (KERN_WARNING @@ -2982,7 +2981,6 @@ megaraid_mbox_product_info(adapter_t *adapter) return -1; } - memset(pinfo, 0, sizeof(mraid_pinfo_t)); mbox->xferaddr = (uint32_t)adapter->ibuf_dma_h; memset((void *)adapter->ibuf, 0, MBOX_IBUF_SIZE); diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 112799b131a9..22a04e37b70a 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -2038,9 +2038,9 @@ int megasas_sriov_start_heartbeat(struct megasas_instance *instance, if (initial) { instance->hb_host_mem = - pci_alloc_consistent(instance->pdev, - sizeof(struct MR_CTRL_HB_HOST_MEM), - &instance->hb_host_mem_h); + pci_zalloc_consistent(instance->pdev, + sizeof(struct MR_CTRL_HB_HOST_MEM), + &instance->hb_host_mem_h); if (!instance->hb_host_mem) { printk(KERN_DEBUG "megasas: SR-IOV: Couldn't allocate" " memory for heartbeat host memory for " @@ -2048,8 +2048,6 @@ int megasas_sriov_start_heartbeat(struct megasas_instance *instance, retval = -ENOMEM; goto out; } - memset(instance->hb_host_mem, 0, - sizeof(struct MR_CTRL_HB_HOST_MEM)); } memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); diff --git a/drivers/scsi/mesh.c b/drivers/scsi/mesh.c index 7a6160f172ce..57a95e2c3442 100644 --- a/drivers/scsi/mesh.c +++ b/drivers/scsi/mesh.c @@ -1915,14 +1915,12 @@ static int mesh_probe(struct macio_dev *mdev, const struct of_device_id *match) /* We use the PCI APIs for now until the generic one gets fixed * enough or until we get some macio-specific versions */ - dma_cmd_space = pci_alloc_consistent(macio_get_pci_dev(mdev), - ms->dma_cmd_size, - &dma_cmd_bus); + dma_cmd_space = pci_zalloc_consistent(macio_get_pci_dev(mdev), + ms->dma_cmd_size, &dma_cmd_bus); if (dma_cmd_space == NULL) { printk(KERN_ERR "mesh: can't allocate DMA table\n"); goto out_unmap; } - memset(dma_cmd_space, 0, ms->dma_cmd_size); ms->dma_cmds = (struct dbdma_cmd *) DBDMA_ALIGN(dma_cmd_space); ms->dma_cmd_space = dma_cmd_space; diff --git a/drivers/scsi/mvumi.c b/drivers/scsi/mvumi.c index edbee8dc62c9..3e716b2f611a 100644 --- a/drivers/scsi/mvumi.c +++ b/drivers/scsi/mvumi.c @@ -142,8 +142,8 @@ static struct mvumi_res *mvumi_alloc_mem_resource(struct mvumi_hba *mhba, case RESOURCE_UNCACHED_MEMORY: size = round_up(size, 8); - res->virt_addr = pci_alloc_consistent(mhba->pdev, size, - &res->bus_addr); + res->virt_addr = pci_zalloc_consistent(mhba->pdev, size, + &res->bus_addr); if (!res->virt_addr) { dev_err(&mhba->pdev->dev, "unable to allocate consistent mem," @@ -151,7 +151,6 @@ static struct mvumi_res *mvumi_alloc_mem_resource(struct mvumi_hba *mhba, kfree(res); return NULL; } - memset(res->virt_addr, 0, size); break; default: @@ -258,12 +257,10 @@ static int mvumi_internal_cmd_sgl(struct mvumi_hba *mhba, struct mvumi_cmd *cmd, if (size == 0) return 0; - virt_addr = pci_alloc_consistent(mhba->pdev, size, &phy_addr); + virt_addr = pci_zalloc_consistent(mhba->pdev, size, &phy_addr); if (!virt_addr) return -1; - memset(virt_addr, 0, size); - m_sg = (struct mvumi_sgl *) &cmd->frame->payload[0]; cmd->frame->sg_counts = 1; cmd->data_buf = virt_addr; diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index 34cea8291772..76570e6a547d 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -116,13 +116,12 @@ int pm8001_mem_alloc(struct pci_dev *pdev, void **virt_addr, u64 align_offset = 0; if (align) align_offset = (dma_addr_t)align - 1; - mem_virt_alloc = - pci_alloc_consistent(pdev, mem_size + align, &mem_dma_handle); + mem_virt_alloc = pci_zalloc_consistent(pdev, mem_size + align, + &mem_dma_handle); if (!mem_virt_alloc) { pm8001_printk("memory allocation error\n"); return -1; } - memset((void *)mem_virt_alloc, 0, mem_size+align); *pphys_addr = mem_dma_handle; phys_align = (*pphys_addr + align_offset) & ~align_offset; *virt_addr = (void *)mem_virt_alloc + phys_align - *pphys_addr; diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c index 017f8b9554e5..6f3275d020a0 100644 --- a/drivers/scsi/pmcraid.c +++ b/drivers/scsi/pmcraid.c @@ -4213,9 +4213,9 @@ static ssize_t pmcraid_store_log_level( { struct Scsi_Host *shost; struct pmcraid_instance *pinstance; - unsigned long val; + u8 val; - if (strict_strtoul(buf, 10, &val)) + if (kstrtou8(buf, 10, &val)) return -EINVAL; /* log-level should be from 0 to 2 */ if (val > 2) diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c index 406b3038bbad..8b4105a22ac2 100644 --- a/drivers/scsi/scsi_sysfs.c +++ b/drivers/scsi/scsi_sysfs.c @@ -910,9 +910,9 @@ sdev_store_queue_ramp_up_period(struct device *dev, const char *buf, size_t count) { struct scsi_device *sdev = to_scsi_device(dev); - unsigned long period; + unsigned int period; - if (strict_strtoul(buf, 10, &period)) + if (kstrtouint(buf, 10, &period)) return -EINVAL; sdev->queue_ramp_up_period = msecs_to_jiffies(period); diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c index 2920e406030a..5729cf678765 100644 --- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c @@ -2065,20 +2065,16 @@ static short rtl8192_alloc_rx_desc_ring(struct net_device *dev) int i, rx_queue_idx; for (rx_queue_idx = 0; rx_queue_idx < MAX_RX_QUEUE; rx_queue_idx++) { - priv->rx_ring[rx_queue_idx] = pci_alloc_consistent(priv->pdev, - sizeof(*priv->rx_ring[rx_queue_idx]) * - priv->rxringcount, - &priv->rx_ring_dma[rx_queue_idx]); - + priv->rx_ring[rx_queue_idx] = + pci_zalloc_consistent(priv->pdev, + sizeof(*priv->rx_ring[rx_queue_idx]) * priv->rxringcount, + &priv->rx_ring_dma[rx_queue_idx]); if (!priv->rx_ring[rx_queue_idx] || (unsigned long)priv->rx_ring[rx_queue_idx] & 0xFF) { RT_TRACE(COMP_ERR, "Cannot allocate RX ring\n"); return -ENOMEM; } - memset(priv->rx_ring[rx_queue_idx], 0, - sizeof(*priv->rx_ring[rx_queue_idx]) * - priv->rxringcount); priv->rx_idx[rx_queue_idx] = 0; for (i = 0; i < priv->rxringcount; i++) { @@ -2118,14 +2114,13 @@ static int rtl8192_alloc_tx_desc_ring(struct net_device *dev, dma_addr_t dma; int i; - ring = pci_alloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma); + ring = pci_zalloc_consistent(priv->pdev, sizeof(*ring) * entries, &dma); if (!ring || (unsigned long)ring & 0xFF) { RT_TRACE(COMP_ERR, "Cannot allocate TX ring (prio = %d)\n", prio); return -ENOMEM; } - memset(ring, 0, sizeof(*ring)*entries); priv->tx_ring[prio].desc = ring; priv->tx_ring[prio].dma = dma; priv->tx_ring[prio].idx = 0; diff --git a/drivers/staging/rtl8192ee/pci.c b/drivers/staging/rtl8192ee/pci.c index f3abbcc9f3ba..0215aef1eacc 100644 --- a/drivers/staging/rtl8192ee/pci.c +++ b/drivers/staging/rtl8192ee/pci.c @@ -1224,10 +1224,10 @@ static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw, /* alloc tx buffer desc for new trx flow*/ if (rtlpriv->use_new_trx_flow) { - buffer_desc = pci_alloc_consistent(rtlpci->pdev, - sizeof(*buffer_desc) * entries, - &buffer_desc_dma); - + buffer_desc = + pci_zalloc_consistent(rtlpci->pdev, + sizeof(*buffer_desc) * entries, + &buffer_desc_dma); if (!buffer_desc || (unsigned long)buffer_desc & 0xFF) { RT_TRACE(COMP_ERR, DBG_EMERG, ("Cannot allocate TX ring (prio = %d)\n", @@ -1235,7 +1235,6 @@ static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw, return -ENOMEM; } - memset(buffer_desc, 0, sizeof(*buffer_desc) * entries); rtlpci->tx_ring[prio].buffer_desc = buffer_desc; rtlpci->tx_ring[prio].buffer_desc_dma = buffer_desc_dma; @@ -1245,16 +1244,14 @@ static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw, } /* alloc dma for this ring */ - desc = pci_alloc_consistent(rtlpci->pdev, - sizeof(*desc) * entries, &desc_dma); - + desc = pci_zalloc_consistent(rtlpci->pdev, sizeof(*desc) * entries, + &desc_dma); if (!desc || (unsigned long)desc & 0xFF) { RT_TRACE(COMP_ERR, DBG_EMERG, ("Cannot allocate TX ring (prio = %d)\n", prio)); return -ENOMEM; } - memset(desc, 0, sizeof(*desc) * entries); rtlpci->tx_ring[prio].desc = desc; rtlpci->tx_ring[prio].dma = desc_dma; @@ -1290,11 +1287,9 @@ static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw, int rxring_idx) struct rtl_rx_buffer_desc *entry = NULL; /* alloc dma for this ring */ rtlpci->rx_ring[rxring_idx].buffer_desc = - pci_alloc_consistent(rtlpci->pdev, - sizeof(*rtlpci->rx_ring[rxring_idx]. - buffer_desc) * - rtlpci->rxringcount, - &rtlpci->rx_ring[rxring_idx].dma); + pci_zalloc_consistent(rtlpci->pdev, + sizeof(*rtlpci->rx_ring[rxring_idx].buffer_desc) * rtlpci->rxringcount, + &rtlpci->rx_ring[rxring_idx].dma); if (!rtlpci->rx_ring[rxring_idx].buffer_desc || (unsigned long)rtlpci->rx_ring[rxring_idx].buffer_desc & 0xFF) { RT_TRACE(COMP_ERR, DBG_EMERG, @@ -1302,10 +1297,6 @@ static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw, int rxring_idx) return -ENOMEM; } - memset(rtlpci->rx_ring[rxring_idx].buffer_desc, 0, - sizeof(*rtlpci->rx_ring[rxring_idx].buffer_desc) * - rtlpci->rxringcount); - /* init every desc in this ring */ rtlpci->rx_ring[rxring_idx].idx = 0; @@ -1320,19 +1311,15 @@ static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw, int rxring_idx) u8 tmp_one = 1; /* alloc dma for this ring */ rtlpci->rx_ring[rxring_idx].desc = - pci_alloc_consistent(rtlpci->pdev, - sizeof(*rtlpci->rx_ring[rxring_idx]. - desc) * rtlpci->rxringcount, - &rtlpci->rx_ring[rxring_idx].dma); + pci_zalloc_consistent(rtlpci->pdev, + sizeof(*rtlpci->rx_ring[rxring_idx].desc) * rtlpci->rxringcount, + &rtlpci->rx_ring[rxring_idx].dma); if (!rtlpci->rx_ring[rxring_idx].desc || (unsigned long)rtlpci->rx_ring[rxring_idx].desc & 0xFF) { RT_TRACE(COMP_ERR, DBG_EMERG, ("Cannot allocate RX ring\n")); return -ENOMEM; } - memset(rtlpci->rx_ring[rxring_idx].desc, 0, - sizeof(*rtlpci->rx_ring[rxring_idx].desc) * - rtlpci->rxringcount); /* init every desc in this ring */ rtlpci->rx_ring[rxring_idx].idx = 0; diff --git a/drivers/staging/rtl8821ae/pci.c b/drivers/staging/rtl8821ae/pci.c index f9847d1fbdeb..26d7b2fc852a 100644 --- a/drivers/staging/rtl8821ae/pci.c +++ b/drivers/staging/rtl8821ae/pci.c @@ -1248,9 +1248,10 @@ static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw, /* alloc tx buffer desc for new trx flow*/ if (rtlpriv->use_new_trx_flow) { - buffer_desc = pci_alloc_consistent(rtlpci->pdev, - sizeof(*buffer_desc) * entries, - &buffer_desc_dma); + buffer_desc = + pci_zalloc_consistent(rtlpci->pdev, + sizeof(*buffer_desc) * entries, + &buffer_desc_dma); if (!buffer_desc || (unsigned long)buffer_desc & 0xFF) { RT_TRACE(COMP_ERR, DBG_EMERG, @@ -1259,7 +1260,6 @@ static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw, return -ENOMEM; } - memset(buffer_desc, 0, sizeof(*buffer_desc) * entries); rtlpci->tx_ring[prio].buffer_desc = buffer_desc; rtlpci->tx_ring[prio].buffer_desc_dma = buffer_desc_dma; @@ -1270,8 +1270,8 @@ static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw, } /* alloc dma for this ring */ - desc = pci_alloc_consistent(rtlpci->pdev, - sizeof(*desc) * entries, &desc_dma); + desc = pci_zalloc_consistent(rtlpci->pdev, sizeof(*desc) * entries, + &desc_dma); if (!desc || (unsigned long)desc & 0xFF) { RT_TRACE(COMP_ERR, DBG_EMERG, @@ -1279,7 +1279,6 @@ static int _rtl_pci_init_tx_ring(struct ieee80211_hw *hw, return -ENOMEM; } - memset(desc, 0, sizeof(*desc) * entries); rtlpci->tx_ring[prio].desc = desc; rtlpci->tx_ring[prio].dma = desc_dma; @@ -1316,21 +1315,15 @@ static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw, int rxring_idx) struct rtl_rx_buffer_desc *entry = NULL; /* alloc dma for this ring */ rtlpci->rx_ring[rxring_idx].buffer_desc = - pci_alloc_consistent(rtlpci->pdev, - sizeof(*rtlpci->rx_ring[rxring_idx]. - buffer_desc) * - rtlpci->rxringcount, - &rtlpci->rx_ring[rxring_idx].dma); + pci_zalloc_consistent(rtlpci->pdev, + sizeof(*rtlpci->rx_ring[rxring_idx].buffer_desc) * rtlpci->rxringcount, + &rtlpci->rx_ring[rxring_idx].dma); if (!rtlpci->rx_ring[rxring_idx].buffer_desc || (unsigned long)rtlpci->rx_ring[rxring_idx].buffer_desc & 0xFF) { RT_TRACE(COMP_ERR, DBG_EMERG, ("Cannot allocate RX ring\n")); return -ENOMEM; } - memset(rtlpci->rx_ring[rxring_idx].buffer_desc, 0, - sizeof(*rtlpci->rx_ring[rxring_idx].buffer_desc) * - rtlpci->rxringcount); - /* init every desc in this ring */ rtlpci->rx_ring[rxring_idx].idx = 0; for (i = 0; i < rtlpci->rxringcount; i++) { @@ -1344,10 +1337,9 @@ static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw, int rxring_idx) u8 tmp_one = 1; /* alloc dma for this ring */ rtlpci->rx_ring[rxring_idx].desc = - pci_alloc_consistent(rtlpci->pdev, - sizeof(*rtlpci->rx_ring[rxring_idx]. - desc) * rtlpci->rxringcount, - &rtlpci->rx_ring[rxring_idx].dma); + pci_zalloc_consistent(rtlpci->pdev, + sizeof(*rtlpci->rx_ring[rxring_idx].desc) * rtlpci->rxringcount, + &rtlpci->rx_ring[rxring_idx].dma); if (!rtlpci->rx_ring[rxring_idx].desc || (unsigned long)rtlpci->rx_ring[rxring_idx].desc & 0xFF) { RT_TRACE(COMP_ERR, DBG_EMERG, @@ -1355,10 +1347,6 @@ static int _rtl_pci_init_rx_ring(struct ieee80211_hw *hw, int rxring_idx) return -ENOMEM; } - memset(rtlpci->rx_ring[rxring_idx].desc, 0, - sizeof(*rtlpci->rx_ring[rxring_idx].desc) * - rtlpci->rxringcount); - /* init every desc in this ring */ rtlpci->rx_ring[rxring_idx].idx = 0; for (i = 0; i < rtlpci->rxringcount; i++) { diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c index 50ece291fc6a..f35fa3dfe22c 100644 --- a/drivers/staging/slicoss/slicoss.c +++ b/drivers/staging/slicoss/slicoss.c @@ -1191,18 +1191,15 @@ static int slic_rspqueue_init(struct adapter *adapter) rspq->num_pages = SLIC_RSPQ_PAGES_GB; for (i = 0; i < rspq->num_pages; i++) { - rspq->vaddr[i] = pci_alloc_consistent(adapter->pcidev, - PAGE_SIZE, - &rspq->paddr[i]); + rspq->vaddr[i] = pci_zalloc_consistent(adapter->pcidev, + PAGE_SIZE, + &rspq->paddr[i]); if (!rspq->vaddr[i]) { dev_err(&adapter->pcidev->dev, "pci_alloc_consistent failed\n"); slic_rspqueue_free(adapter); return -ENOMEM; } - /* FIXME: - * do we really need this assertions (4K PAGE_SIZE aligned addr)? */ - memset(rspq->vaddr[i], 0, PAGE_SIZE); if (paddrh == 0) { slic_reg32_write(&slic_regs->slic_rbar, diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c index c78d06eff7ea..0b583a37f5b3 100644 --- a/drivers/staging/vt6655/device_main.c +++ b/drivers/staging/vt6655/device_main.c @@ -1111,25 +1111,17 @@ static bool device_init_rings(PSDevice pDevice) void *vir_pool; /*allocate all RD/TD rings a single pool*/ - vir_pool = pci_alloc_consistent(pDevice->pcid, - pDevice->sOpts.nRxDescs0 * sizeof(SRxDesc) + - pDevice->sOpts.nRxDescs1 * sizeof(SRxDesc) + - pDevice->sOpts.nTxDescs[0] * sizeof(STxDesc) + - pDevice->sOpts.nTxDescs[1] * sizeof(STxDesc), - &pDevice->pool_dma); - + vir_pool = pci_zalloc_consistent(pDevice->pcid, + pDevice->sOpts.nRxDescs0 * sizeof(SRxDesc) + + pDevice->sOpts.nRxDescs1 * sizeof(SRxDesc) + + pDevice->sOpts.nTxDescs[0] * sizeof(STxDesc) + + pDevice->sOpts.nTxDescs[1] * sizeof(STxDesc), + &pDevice->pool_dma); if (vir_pool == NULL) { DBG_PRT(MSG_LEVEL_ERR, KERN_ERR "%s : allocate desc dma memory failed\n", pDevice->dev->name); return false; } - memset(vir_pool, 0, - pDevice->sOpts.nRxDescs0 * sizeof(SRxDesc) + - pDevice->sOpts.nRxDescs1 * sizeof(SRxDesc) + - pDevice->sOpts.nTxDescs[0] * sizeof(STxDesc) + - pDevice->sOpts.nTxDescs[1] * sizeof(STxDesc) - ); - pDevice->aRD0Ring = vir_pool; pDevice->aRD1Ring = vir_pool + pDevice->sOpts.nRxDescs0 * sizeof(SRxDesc); @@ -1138,13 +1130,12 @@ static bool device_init_rings(PSDevice pDevice) pDevice->rd1_pool_dma = pDevice->rd0_pool_dma + pDevice->sOpts.nRxDescs0 * sizeof(SRxDesc); - pDevice->tx0_bufs = pci_alloc_consistent(pDevice->pcid, - pDevice->sOpts.nTxDescs[0] * PKT_BUF_SZ + - pDevice->sOpts.nTxDescs[1] * PKT_BUF_SZ + - CB_BEACON_BUF_SIZE + - CB_MAX_BUF_SIZE, - &pDevice->tx_bufs_dma0); - + pDevice->tx0_bufs = pci_zalloc_consistent(pDevice->pcid, + pDevice->sOpts.nTxDescs[0] * PKT_BUF_SZ + + pDevice->sOpts.nTxDescs[1] * PKT_BUF_SZ + + CB_BEACON_BUF_SIZE + + CB_MAX_BUF_SIZE, + &pDevice->tx_bufs_dma0); if (pDevice->tx0_bufs == NULL) { DBG_PRT(MSG_LEVEL_ERR, KERN_ERR "%s: allocate buf dma memory failed\n", pDevice->dev->name); pci_free_consistent(pDevice->pcid, @@ -1157,13 +1148,6 @@ static bool device_init_rings(PSDevice pDevice) return false; } - memset(pDevice->tx0_bufs, 0, - pDevice->sOpts.nTxDescs[0] * PKT_BUF_SZ + - pDevice->sOpts.nTxDescs[1] * PKT_BUF_SZ + - CB_BEACON_BUF_SIZE + - CB_MAX_BUF_SIZE - ); - pDevice->td0_pool_dma = pDevice->rd1_pool_dma + pDevice->sOpts.nRxDescs1 * sizeof(SRxDesc); diff --git a/drivers/tty/synclink_gt.c b/drivers/tty/synclink_gt.c index ba1dbcdf4609..0e8c39b6ccd4 100644 --- a/drivers/tty/synclink_gt.c +++ b/drivers/tty/synclink_gt.c @@ -3383,12 +3383,11 @@ static int alloc_desc(struct slgt_info *info) unsigned int pbufs; /* allocate memory to hold descriptor lists */ - info->bufs = pci_alloc_consistent(info->pdev, DESC_LIST_SIZE, &info->bufs_dma_addr); + info->bufs = pci_zalloc_consistent(info->pdev, DESC_LIST_SIZE, + &info->bufs_dma_addr); if (info->bufs == NULL) return -ENOMEM; - memset(info->bufs, 0, DESC_LIST_SIZE); - info->rbufs = (struct slgt_desc*)info->bufs; info->tbufs = ((struct slgt_desc*)info->bufs) + info->rbuf_count; diff --git a/drivers/vme/bridges/vme_ca91cx42.c b/drivers/vme/bridges/vme_ca91cx42.c index bfb2d3f06738..18078ecbfcc6 100644 --- a/drivers/vme/bridges/vme_ca91cx42.c +++ b/drivers/vme/bridges/vme_ca91cx42.c @@ -1555,16 +1555,14 @@ static int ca91cx42_crcsr_init(struct vme_bridge *ca91cx42_bridge, } /* Allocate mem for CR/CSR image */ - bridge->crcsr_kernel = pci_alloc_consistent(pdev, VME_CRCSR_BUF_SIZE, - &bridge->crcsr_bus); + bridge->crcsr_kernel = pci_zalloc_consistent(pdev, VME_CRCSR_BUF_SIZE, + &bridge->crcsr_bus); if (bridge->crcsr_kernel == NULL) { dev_err(&pdev->dev, "Failed to allocate memory for CR/CSR " "image\n"); return -ENOMEM; } - memset(bridge->crcsr_kernel, 0, VME_CRCSR_BUF_SIZE); - crcsr_addr = slot * (512 * 1024); iowrite32(bridge->crcsr_bus - crcsr_addr, bridge->base + VCSR_TO); diff --git a/drivers/vme/bridges/vme_tsi148.c b/drivers/vme/bridges/vme_tsi148.c index 61e706c0e00c..e07cfa8001bb 100644 --- a/drivers/vme/bridges/vme_tsi148.c +++ b/drivers/vme/bridges/vme_tsi148.c @@ -2275,16 +2275,14 @@ static int tsi148_crcsr_init(struct vme_bridge *tsi148_bridge, bridge = tsi148_bridge->driver_priv; /* Allocate mem for CR/CSR image */ - bridge->crcsr_kernel = pci_alloc_consistent(pdev, VME_CRCSR_BUF_SIZE, - &bridge->crcsr_bus); + bridge->crcsr_kernel = pci_zalloc_consistent(pdev, VME_CRCSR_BUF_SIZE, + &bridge->crcsr_bus); if (bridge->crcsr_kernel == NULL) { dev_err(tsi148_bridge->parent, "Failed to allocate memory for " "CR/CSR image\n"); return -ENOMEM; } - memset(bridge->crcsr_kernel, 0, VME_CRCSR_BUF_SIZE); - reg_split(bridge->crcsr_bus, &crcsr_bus_high, &crcsr_bus_low); iowrite32be(crcsr_bus_high, bridge->base + TSI148_LCSR_CROU); diff --git a/drivers/w1/w1_int.c b/drivers/w1/w1_int.c index 47249a30eae3..20f766afa4c7 100644 --- a/drivers/w1/w1_int.c +++ b/drivers/w1/w1_int.c @@ -91,8 +91,7 @@ static struct w1_master *w1_alloc_dev(u32 id, int slave_count, int slave_ttl, err = device_register(&dev->dev); if (err) { pr_err("Failed to register master device. err=%d\n", err); - memset(dev, 0, sizeof(struct w1_master)); - kfree(dev); + put_device(&dev->dev); dev = NULL; } |