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scsi: qla2xxx: Make qla2x00_abort_srb() again decrease the sp reference count 

Since qla2x00_abort_srb() starts with increasing the reference count of
@sp, decrease that same reference count before returning.

Cc: Himanshu Madhani <hmadhani@marvell.com>
Fixes: 219d27d714 ("scsi: qla2xxx: Fix race conditions in the code for aborting SCSI commands") # v5.2.
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Tested-by: Himanshu Madhani <hmadhani@marvell.com>
Reviewed-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Bart Van Assche 2019-08-08 20:01:22 -07:00 committed by Martin K. Petersen
parent 6e0b7ca281
commit d2d2b5a574
1 changed files with 2 additions and 0 deletions
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2
drivers/scsi/qla2xxx/qla_os.c
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@ -1755,6 +1755,8 @@ static void qla2x00_abort_srb(struct qla_qpair *qp, srb_t *sp, const int res,
spin_lock_irqsave(qp->qp_lock_ptr, *flags);
sp->comp = NULL;
}
atomic_dec(&sp->ref_count);
}
static void