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authorLinus Torvalds <torvalds@linux-foundation.org>2016-12-08 12:04:41 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-08 12:04:41 -0800
commitb4aafe77ec65ab2846a5780bb1ba4eff7ccf82d1 (patch)
treebd529fa3cf6302e5fb6862dfb387b70991a87237 /drivers
parent318c8932ddec5c1c26a4af0f3c053784841c598e (diff)
parentff682a3dad98074f956e6da099448d3eb93f095c (diff)
downloadlinux-b4aafe77ec65ab2846a5780bb1ba4eff7ccf82d1.tar.bz2
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fix from James Bottomley: "One small fix for a regression in a prior fix (again). This time the condition in the prior fix BUG_ON proved to be wrong under certain circumstances causing a BUG to trigger where it shouldn't in the lpfc driver" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: lpfc: fix oops/BUG in lpfc_sli_ringtxcmpl_put()
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index c5326055beee..f4f77c5b0c83 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -1323,18 +1323,20 @@ lpfc_sli_ringtxcmpl_put(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
{
lockdep_assert_held(&phba->hbalock);
- BUG_ON(!piocb || !piocb->vport);
+ BUG_ON(!piocb);
list_add_tail(&piocb->list, &pring->txcmplq);
piocb->iocb_flag |= LPFC_IO_ON_TXCMPLQ;
if ((unlikely(pring->ringno == LPFC_ELS_RING)) &&
(piocb->iocb.ulpCommand != CMD_ABORT_XRI_CN) &&
- (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN) &&
- (!(piocb->vport->load_flag & FC_UNLOADING)))
- mod_timer(&piocb->vport->els_tmofunc,
- jiffies +
- msecs_to_jiffies(1000 * (phba->fc_ratov << 1)));
+ (piocb->iocb.ulpCommand != CMD_CLOSE_XRI_CN)) {
+ BUG_ON(!piocb->vport);
+ if (!(piocb->vport->load_flag & FC_UNLOADING))
+ mod_timer(&piocb->vport->els_tmofunc,
+ jiffies +
+ msecs_to_jiffies(1000 * (phba->fc_ratov << 1)));
+ }
return 0;
}