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scsi: qla2xxx: Timeouts occur on surprise removal of QLogic adapter 

When doing a surprise removal of an adapter, some in flight I/Os can get
stuck and take a while to complete (they actually time out and are
retried). We are not handling an early error exit from qla2xxx_eh_abort
properly.

Fixes: 45235022da ("scsi: qla2xxx: Fix driver unload by shutting down chip")
Signed-off-by: Bill Kuzeja <william.kuzeja@stratus.com>
Reviewed-by: Laurence Oberman <loberman@redhat.com>
Acked-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Bill Kuzeja 2018-11-05 11:23:50 -05:00 committed by Martin K. Petersen
parent f635e48e86
commit f2ffd4e5bc
1 changed files with 8 additions and 2 deletions
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10
drivers/scsi/qla2xxx/qla_os.c
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@ -1749,7 +1749,7 @@ qla2x00_loop_reset(scsi_qla_host_t *vha)
static void
__qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
{
int cnt;
int cnt, status;
unsigned long flags;
srb_t *sp;
scsi_qla_host_t *vha = qp->vha;
@ -1799,10 +1799,16 @@ __qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
if (!sp_get(sp)) {
spin_unlock_irqrestore
(qp->qp_lock_ptr, flags);
qla2xxx_eh_abort(
status = qla2xxx_eh_abort(
GET_CMD_SP(sp));
spin_lock_irqsave
(qp->qp_lock_ptr, flags);
/*
* Get rid of extra reference caused
* by early exit from qla2xxx_eh_abort
*/
if (status == FAST_IO_FAIL)
atomic_dec(&sp->ref_count);
}
}
sp->done(sp, res);