From b173491339b9ae7f1322241ce6228c1268513a39 Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Wed, 15 Aug 2007 10:32:13 -0600 Subject: PNP: remove null pointer checks Remove some null pointer checks. Null pointers in these areas indicate programming errors, and I think it's better to oops immediately rather than return an error that is easily ignored. Signed-off-by: Bjorn Helgaas Acked-by: Adam Belay Signed-off-by: Len Brown --- drivers/pnp/manager.c | 23 ----------------------- 1 file changed, 23 deletions(-) (limited to 'drivers/pnp/manager.c') diff --git a/drivers/pnp/manager.c b/drivers/pnp/manager.c index 329dc6c18384..0826287eef53 100644 --- a/drivers/pnp/manager.c +++ b/drivers/pnp/manager.c @@ -21,9 +21,6 @@ static int pnp_assign_port(struct pnp_dev *dev, struct pnp_port *rule, int idx) resource_size_t *start, *end; unsigned long *flags; - if (!dev || !rule) - return -EINVAL; - if (idx >= PNP_MAX_PORT) { pnp_err ("More than 4 ports is incompatible with pnp specifications."); @@ -66,9 +63,6 @@ static int pnp_assign_mem(struct pnp_dev *dev, struct pnp_mem *rule, int idx) resource_size_t *start, *end; unsigned long *flags; - if (!dev || !rule) - return -EINVAL; - if (idx >= PNP_MAX_MEM) { pnp_err ("More than 8 mems is incompatible with pnp specifications."); @@ -127,9 +121,6 @@ static int pnp_assign_irq(struct pnp_dev *dev, struct pnp_irq *rule, int idx) 5, 10, 11, 12, 9, 14, 15, 7, 3, 4, 13, 0, 1, 6, 8, 2 }; - if (!dev || !rule) - return -EINVAL; - if (idx >= PNP_MAX_IRQ) { pnp_err ("More than 2 irqs is incompatible with pnp specifications."); @@ -181,9 +172,6 @@ static int pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx) 1, 3, 5, 6, 7, 0, 2, 4 }; - if (!dev || !rule) - return -EINVAL; - if (idx >= PNP_MAX_DMA) { pnp_err ("More than 2 dmas is incompatible with pnp specifications."); @@ -410,8 +398,6 @@ int pnp_manual_config_dev(struct pnp_dev *dev, struct pnp_resource_table *res, int i; struct pnp_resource_table *bak; - if (!dev || !res) - return -EINVAL; if (!pnp_can_configure(dev)) return -ENODEV; bak = pnp_alloc(sizeof(struct pnp_resource_table)); @@ -460,9 +446,6 @@ int pnp_auto_config_dev(struct pnp_dev *dev) struct pnp_option *dep; int i = 1; - if (!dev) - return -EINVAL; - if (!pnp_can_configure(dev)) { pnp_dbg("Device %s does not support resource configuration.", dev->dev.bus_id); @@ -541,8 +524,6 @@ int pnp_activate_dev(struct pnp_dev *dev) { int error; - if (!dev) - return -EINVAL; if (dev->active) return 0; /* the device is already active */ @@ -568,8 +549,6 @@ int pnp_disable_dev(struct pnp_dev *dev) { int error; - if (!dev) - return -EINVAL; if (!dev->active) return 0; /* the device is already disabled */ @@ -596,8 +575,6 @@ int pnp_disable_dev(struct pnp_dev *dev) void pnp_resource_change(struct resource *resource, resource_size_t start, resource_size_t size) { - if (resource == NULL) - return; resource->flags &= ~(IORESOURCE_AUTO | IORESOURCE_UNSET); resource->start = start; resource->end = start + size - 1; -- cgit v1.2.3