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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2017-06-30 11:02:51 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-07-01 17:08:41 -0400 |
| commit | c4031db72b4fd2640ff3a7240701397abaacf048 (patch) | |
| tree | 951c445b0cbb5f59d0a4f8baed380290fc1e3eb0 | |
| parent | f557e32c0023ea0d67cdaa81b3398550dc1e4876 (diff) | |
| download | linux-stable-c4031db72b4fd2640ff3a7240701397abaacf048.tar.gz linux-stable-c4031db72b4fd2640ff3a7240701397abaacf048.tar.bz2 linux-stable-c4031db72b4fd2640ff3a7240701397abaacf048.zip | |
scsi: lpfc: spin_lock_irq() is not nestable
We're calling spin_lock_irq() multiple times, the problem is that on the
first spin_unlock_irq() then we will re-enable IRQs and we don't want
that.
Fixes: 966bb5b71196 ("scsi: lpfc: Break up IO ctx list into a separate get and put list")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_nvmet.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c index 7dc061a14f95..afc523209845 100644 --- a/drivers/scsi/lpfc/lpfc_nvmet.c +++ b/drivers/scsi/lpfc/lpfc_nvmet.c @@ -866,44 +866,44 @@ lpfc_nvmet_cleanup_io_context(struct lpfc_hba *phba) unsigned long flags; spin_lock_irqsave(&phba->sli4_hba.nvmet_ctx_get_lock, flags); - spin_lock_irq(&phba->sli4_hba.nvmet_ctx_put_lock); + spin_lock(&phba->sli4_hba.nvmet_ctx_put_lock); list_for_each_entry_safe(ctx_buf, next_ctx_buf, &phba->sli4_hba.lpfc_nvmet_ctx_get_list, list) { - spin_lock_irq(&phba->sli4_hba.abts_nvme_buf_list_lock); + spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock); list_del_init(&ctx_buf->list); - spin_unlock_irq(&phba->sli4_hba.abts_nvme_buf_list_lock); + spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); __lpfc_clear_active_sglq(phba, ctx_buf->sglq->sli4_lxritag); ctx_buf->sglq->state = SGL_FREED; ctx_buf->sglq->ndlp = NULL; - spin_lock_irq(&phba->sli4_hba.sgl_list_lock); + spin_lock(&phba->sli4_hba.sgl_list_lock); list_add_tail(&ctx_buf->sglq->list, &phba->sli4_hba.lpfc_nvmet_sgl_list); - spin_unlock_irq(&phba->sli4_hba.sgl_list_lock); + spin_unlock(&phba->sli4_hba.sgl_list_lock); lpfc_sli_release_iocbq(phba, ctx_buf->iocbq); kfree(ctx_buf->context); } list_for_each_entry_safe(ctx_buf, next_ctx_buf, &phba->sli4_hba.lpfc_nvmet_ctx_put_list, list) { - spin_lock_irq(&phba->sli4_hba.abts_nvme_buf_list_lock); + spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock); list_del_init(&ctx_buf->list); - spin_unlock_irq(&phba->sli4_hba.abts_nvme_buf_list_lock); + spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); __lpfc_clear_active_sglq(phba, ctx_buf->sglq->sli4_lxritag); ctx_buf->sglq->state = SGL_FREED; ctx_buf->sglq->ndlp = NULL; - spin_lock_irq(&phba->sli4_hba.sgl_list_lock); + spin_lock(&phba->sli4_hba.sgl_list_lock); list_add_tail(&ctx_buf->sglq->list, &phba->sli4_hba.lpfc_nvmet_sgl_list); - spin_unlock_irq(&phba->sli4_hba.sgl_list_lock); + spin_unlock(&phba->sli4_hba.sgl_list_lock); lpfc_sli_release_iocbq(phba, ctx_buf->iocbq); kfree(ctx_buf->context); } - spin_unlock_irq(&phba->sli4_hba.nvmet_ctx_put_lock); + spin_unlock(&phba->sli4_hba.nvmet_ctx_put_lock); spin_unlock_irqrestore(&phba->sli4_hba.nvmet_ctx_get_lock, flags); } |