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[SCSI] lpfc 8.3.39: Fixed deadlock between hbalock and nlp_lock use 

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
James Smart 2013-04-17 20:18:19 -04:00 committed by James Bottomley
parent a6887e2874
commit a62a435ada
1 changed files with 2 additions and 1 deletions
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3
drivers/scsi/lpfc/lpfc_hbadisc.c
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@ -160,11 +160,12 @@ lpfc_dev_loss_tmo_callbk(struct fc_rport *rport)
if (!list_empty(&evtp->evt_listp))
return;
evtp->evt_arg1 = lpfc_nlp_get(ndlp);
spin_lock_irq(&phba->hbalock);
/* We need to hold the node by incrementing the reference
* count until this queued work is done
*/
evtp->evt_arg1 = lpfc_nlp_get(ndlp);
if (evtp->evt_arg1) {
evtp->evt = LPFC_EVT_DEV_LOSS;
list_add_tail(&evtp->evt_listp, &phba->work_list);