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Commit b230b8a2 authored by James Smart's avatar James Smart Committed by James Bottomley
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[SCSI] lpfc 8.3.40: Fixed issue mailbox wait routine failed to issue dump memory mbox command 



Signed-off-by: default avatarJames Smart <james.smart@emulex.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent 3be30e0e

drivers/scsi/lpfc/lpfc_sli.c

+8 −3
Original line number Diff line number Diff line
@@ -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;