diff options
| author | Jamie Wellnitz <Jamie.Wellnitz@emulex.com> | 2006-02-28 22:33:12 -0500 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-03-06 09:47:46 -0600 |
| commit | b808608bd7afdf1b0a2eb096ff2b5b93781fdbb6 (patch) | |
| tree | c09a1b80000231144129ef988c259117e55630aa /drivers/scsi/lpfc/lpfc_scsi.c | |
| parent | 66a9ed66000d186933892ca5121e68a071d624ac (diff) | |
| download | lwn-b808608bd7afdf1b0a2eb096ff2b5b93781fdbb6.tar.gz lwn-b808608bd7afdf1b0a2eb096ff2b5b93781fdbb6.zip | |
[PATCH] lpfc 8.1.3: Fix polling mode panic
Fix polling mode panic
Cause: Race between interrupt driven and polling path in harvesting iocbs
from
the response ring.
Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_scsi.c')
| -rw-r--r-- | drivers/scsi/lpfc/lpfc_scsi.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 094f18f1fa05..f93799873721 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -467,6 +467,11 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, sdev = cmd->device; cmd->scsi_done(cmd); + if (phba->cfg_poll & ENABLE_FCP_RING_POLLING) { + lpfc_release_scsi_buf(phba, lpfc_cmd); + return; + } + if (!result && pnode != NULL && ((jiffies - pnode->last_ramp_up_time) > LPFC_Q_RAMP_UP_INTERVAL * HZ) && |