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lpfc: Fixed kernel panic in lpfc_abort_handler

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Fixed kernel panic in lpfc_abort_handler

Signed-off-by: James Smart <james.smart@emulex.com>
Reviewed-By: Dick Kennedy <dick.kennedy@emulex.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
James Smart
2014-04-04 13:51:53 -04:00
committed by Christoph Hellwig
parent 07eab624e5
commit ee62021a11
2 changed files with 16 additions and 1 deletions
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12
drivers/scsi/lpfc/lpfc_scsi.c
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@@ -4834,6 +4834,14 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd)
BUG_ON(iocb->context1 != lpfc_cmd);
/* abort issued in recovery is still in progress */
if (iocb->iocb_flag & LPFC_DRIVER_ABORTED) {
lpfc_printf_vlog(vport, KERN_WARNING, LOG_FCP,
"3389 SCSI Layer I/O Abort Request is pending\n");
spin_unlock_irqrestore(&phba->hbalock, flags);
goto wait_for_cmpl;
}
abtsiocb = __lpfc_sli_get_iocbq(phba);
if (abtsiocb == NULL) {
ret = FAILED;
@@ -4886,12 +4894,16 @@ lpfc_abort_handler(struct scsi_cmnd *cmnd)
lpfc_sli_handle_fast_ring_event(phba,
&phba->sli.ring[LPFC_FCP_RING], HA_R0RE_REQ);
wait_for_cmpl:
lpfc_cmd->waitq = &waitq;
/* Wait for abort to complete */
wait_event_timeout(waitq,
(lpfc_cmd->pCmd != cmnd),
msecs_to_jiffies(2*vport->cfg_devloss_tmo*1000));
spin_lock_irqsave(shost->host_lock, flags);
lpfc_cmd->waitq = NULL;
spin_unlock_irqrestore(shost->host_lock, flags);
if (lpfc_cmd->pCmd == cmnd) {
ret = FAILED;