diff options
| author | Sreekanth Reddy <sreekanth.reddy@broadcom.com> | 2022-09-12 19:27:41 +0530 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2022-09-25 13:49:52 -0400 |
| commit | 2e31be8697b16391d33c74c47f09fdef5015369e (patch) | |
| tree | 0a24c827fdcaee9b28b331cc8c6f829dd1275ac8 /drivers/scsi | |
| parent | f84e8b5bb57eb64391a45f95ebf0e2a179d8c566 (diff) | |
scsi: mpi3mr: Fix scheduling while atomic type bug
Fix 'scheduling while atomic' type bug, which is observed when
pci_irq_vector() is called from interrupt context.
Link: https://lore.kernel.org/r/20220912135742.11764-9-sreekanth.reddy@broadcom.com
Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr.h | 2 | ||||
| -rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr_fw.c | 9 |
2 files changed, 5 insertions, 6 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr.h b/drivers/scsi/mpi3mr/mpi3mr.h index 5b105044bf66..41dc2bba3238 100644 --- a/drivers/scsi/mpi3mr/mpi3mr.h +++ b/drivers/scsi/mpi3mr/mpi3mr.h @@ -431,12 +431,14 @@ struct op_reply_qinfo { * struct mpi3mr_intr_info - Interrupt cookie information * * @mrioc: Adapter instance reference + * @os_irq: irq number * @msix_index: MSIx index * @op_reply_q: Associated operational reply queue * @name: Dev name for the irq claiming device */ struct mpi3mr_intr_info { struct mpi3mr_ioc *mrioc; + int os_irq; u16 msix_index; struct op_reply_qinfo *op_reply_q; char name[MPI3MR_NAME_LENGTH]; diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c index f841a44d3a63..d5da49a0d544 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_fw.c +++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c @@ -627,15 +627,11 @@ static irqreturn_t mpi3mr_isr_primary(int irq, void *privdata) static irqreturn_t mpi3mr_isr(int irq, void *privdata) { struct mpi3mr_intr_info *intr_info = privdata; - struct mpi3mr_ioc *mrioc; - u16 midx; int ret; if (!intr_info) return IRQ_NONE; - mrioc = intr_info->mrioc; - midx = intr_info->msix_index; /* Call primary ISR routine */ ret = mpi3mr_isr_primary(irq, privdata); @@ -650,7 +646,7 @@ static irqreturn_t mpi3mr_isr(int irq, void *privdata) !atomic_read(&intr_info->op_reply_q->pend_ios)) return ret; - disable_irq_nosync(pci_irq_vector(mrioc->pdev, midx)); + disable_irq_nosync(intr_info->os_irq); return IRQ_WAKE_THREAD; } @@ -696,7 +692,7 @@ static irqreturn_t mpi3mr_isr_poll(int irq, void *privdata) (num_op_reply < mrioc->max_host_ios)); intr_info->op_reply_q->enable_irq_poll = false; - enable_irq(pci_irq_vector(mrioc->pdev, midx)); + enable_irq(intr_info->os_irq); return IRQ_HANDLED; } @@ -738,6 +734,7 @@ static inline int mpi3mr_request_irq(struct mpi3mr_ioc *mrioc, u16 index) return retval; } + intr_info->os_irq = pci_irq_vector(pdev, index); return retval; } |