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scsi: qla2xxx: Fix link failure in NPIV environment

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commit b1ae65c082f74536ec292b15766f2846f0238373 upstream.

User experienced symptoms of adapter failure in NPIV environment. NPIV
hosts were allowed to trigger chip reset back to back due to NPIV link
state being slow to come online.

Fix link failure in NPIV environment by removing NPIV host from directly
being able to perform chip reset.

 kernel: qla2xxx [0000:04:00.1]-6009:261: Loop down - aborting ISP.
 kernel: qla2xxx [0000:04:00.1]-6009:262: Loop down - aborting ISP.
 kernel: qla2xxx [0000:04:00.1]-6009:281: Loop down - aborting ISP.
 kernel: qla2xxx [0000:04:00.1]-6009:285: Loop down - aborting ISP

Fixes: 0d6e61bc6a ("[SCSI] qla2xxx: Correct various NPIV issues.")
Cc: stable@vger.kernel.org
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Quinn Tran 2022-12-19 03:07:39 -08:00 committed by Greg Kroah-Hartman
parent 6e02a43acd
commit 40bedbf10d
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/qla2xxx/qla_os.c
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@ -7145,7 +7145,7 @@ qla2x00_timer(struct timer_list *t)
/* if the loop has been down for 4 minutes, reinit adapter */ /* if the loop has been down for 4 minutes, reinit adapter */
if (atomic_dec_and_test(&vha->loop_down_timer) != 0) { if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
if (!(vha->device_flags & DFLG_NO_CABLE)) { if (!(vha->device_flags & DFLG_NO_CABLE) && !vha->vp_idx) {
ql_log(ql_log_warn, vha, 0x6009, ql_log(ql_log_warn, vha, 0x6009,
"Loop down - aborting ISP.\n"); "Loop down - aborting ISP.\n");