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[SCSI] lpfc 8.3.40: Fixed issue mailbox wait routine failed to issue dump memory mbox command 

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
James Smart 2013-05-31 17:05:27 -04:00 committed by James Bottomley
parent 3be30e0e44
commit b230b8a298
1 changed files with 8 additions and 3 deletions
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11
drivers/scsi/lpfc/lpfc_sli.c
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@ -10092,12 +10092,13 @@ lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq,
uint32_t timeout)
{
DECLARE_WAIT_QUEUE_HEAD_ONSTACK(done_q);
MAILBOX_t *mb = NULL;
int retval;
unsigned long flag;
/* The caller must leave context1 empty. */
/* The caller might set context1 for extended buffer */
if (pmboxq->context1)
return MBX_NOT_FINISHED;
mb = (MAILBOX_t *)pmboxq->context1;
pmboxq->mbox_flag &= ~LPFC_MBX_WAKE;
/* setup wake call as IOCB callback */
@ -10113,7 +10114,8 @@ lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq,
msecs_to_jiffies(timeout * 1000));
spin_lock_irqsave(&phba->hbalock, flag);
pmboxq->context1 = NULL;
/* restore the possible extended buffer for free resource */
pmboxq->context1 = (uint8_t *)mb;
/*
* if LPFC_MBX_WAKE flag is set the mailbox is completed
* else do not free the resources.
@ -10126,6 +10128,9 @@ lpfc_sli_issue_mbox_wait(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmboxq,
pmboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
}
spin_unlock_irqrestore(&phba->hbalock, flag);
} else {
/* restore the possible extended buffer for free resource */
pmboxq->context1 = (uint8_t *)mb;
}
return retval;