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| author | James Smart <james.smart@emulex.com> | 2013-04-17 20:18:47 -0400 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2013-05-02 13:07:51 -0700 |
| commit | ea714f3dab0484b38fa6040ba45d2be7c4c5b752 (patch) | |
| tree | 0df5e8c847c45a28b3eadc312a56cffbc98893bf /drivers | |
| parent | a88dbb6a960675f15fa02b4f057388b2b4bc8286 (diff) | |
| download | linux-ea714f3dab0484b38fa6040ba45d2be7c4c5b752.tar.gz linux-ea714f3dab0484b38fa6040ba45d2be7c4c5b752.tar.bz2 linux-ea714f3dab0484b38fa6040ba45d2be7c4c5b752.zip | |
[SCSI] lpfc 8.3.39: Fixed system panic during EEH recovery due to midlayer acting on outstanding I/O
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_init.c | 12 | ||||
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_sli.c | 4 |
2 files changed, 10 insertions, 6 deletions
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 291c46aa9846..7af1eabf5ebc 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -9314,15 +9314,15 @@ lpfc_sli_prep_dev_for_reset(struct lpfc_hba *phba) /* Block all SCSI devices' I/Os on the host */ lpfc_scsi_dev_block(phba); + /* Flush all driver's outstanding SCSI I/Os as we are to reset */ + lpfc_sli_flush_fcp_rings(phba); + /* stop all timers */ lpfc_stop_hba_timers(phba); /* Disable interrupt and pci device */ lpfc_sli_disable_intr(phba); pci_disable_device(phba->pcidev); - - /* Flush all driver's outstanding SCSI I/Os as we are to reset */ - lpfc_sli_flush_fcp_rings(phba); } /** @@ -10067,6 +10067,9 @@ lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba) /* Block all SCSI devices' I/Os on the host */ lpfc_scsi_dev_block(phba); + /* Flush all driver's outstanding SCSI I/Os as we are to reset */ + lpfc_sli_flush_fcp_rings(phba); + /* stop all timers */ lpfc_stop_hba_timers(phba); @@ -10074,9 +10077,6 @@ lpfc_sli4_prep_dev_for_reset(struct lpfc_hba *phba) lpfc_sli4_disable_intr(phba); lpfc_sli4_queue_destroy(phba); pci_disable_device(phba->pcidev); - - /* Flush all driver's outstanding SCSI I/Os as we are to reset */ - lpfc_sli_flush_fcp_rings(phba); } /** diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index b78244a30f29..c13ab4fd36b9 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -8453,10 +8453,14 @@ __lpfc_sli_issue_iocb_s4(struct lpfc_hba *phba, uint32_t ring_number, if ((piocb->iocb_flag & LPFC_IO_FCP) || (piocb->iocb_flag & LPFC_USE_FCPWQIDX)) { + if (unlikely(!phba->sli4_hba.fcp_wq)) + return IOCB_ERROR; if (lpfc_sli4_wq_put(phba->sli4_hba.fcp_wq[piocb->fcp_wqidx], &wqe)) return IOCB_ERROR; } else { + if (unlikely(!phba->sli4_hba.els_wq)) + return IOCB_ERROR; if (lpfc_sli4_wq_put(phba->sli4_hba.els_wq, &wqe)) return IOCB_ERROR; } |