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[SCSI] lpfc 8.1.2: Fix panic caused by HBA resets and target side cable pulls

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Fix panic caused by HBA resets and target side cable pulls

Signed-off-by: Jamie Wellnitz <Jamie.Wellnitz@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Jamie Wellnitz 2006-02-28 19:25:36 -05:00 committed by James Bottomley
parent 8189fd19ac
commit 0c6ac8efa8
1 changed files with 3 additions and 3 deletions
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6
drivers/scsi/lpfc/lpfc_scsi.c
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@ -1,7 +1,7 @@
/*******************************************************************
* This file is part of the Emulex Linux Device Driver for *
* Fibre Channel Host Bus Adapters. *
* Copyright (C) 2004-2005 Emulex. All rights reserved. *
* Copyright (C) 2004-2006 Emulex. All rights reserved. *
* EMULEX and SLI are trademarks of Emulex. *
* www.emulex.com *
* Portions Copyright (C) 2004-2005 Christoph Hellwig *
@ -467,7 +467,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
sdev = cmd->device;
cmd->scsi_done(cmd);
if (!result &&
if (!result && pnode != NULL &&
((jiffies - pnode->last_ramp_up_time) >
LPFC_Q_RAMP_UP_INTERVAL * HZ) &&
((jiffies - pnode->last_q_full_time) >
@ -495,7 +495,7 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn,
* Check for queue full. If the lun is reporting queue full, then
* back off the lun queue depth to prevent target overloads.
*/
if (result == SAM_STAT_TASK_SET_FULL) {
if (result == SAM_STAT_TASK_SET_FULL && pnode != NULL) {
pnode->last_q_full_time = jiffies;
shost_for_each_device(tmp_sdev, sdev->host) {