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authorQuinn Tran <qutran@marvell.com>2019-11-05 07:06:51 -0800
committerMartin K. Petersen <martin.petersen@oracle.com>2019-11-08 21:15:41 -0500
commit71c80b75ce8f08c0978ce9a9816b81b5c3ce5e12 (patch)
tree14894b06dd1bd2fb13221b16043fc05708557fd0 /drivers/scsi/qla2xxx/qla_init.c
parent983f127603fac650fa34ee69db363e4615eaf9e7 (diff)
downloadlinux-71c80b75ce8f08c0978ce9a9816b81b5c3ce5e12.tar.bz2
scsi: qla2xxx: Do command completion on abort timeout
On switch, fabric and mgt command timeout, driver send Abort to tell FW to return the original command. If abort is timeout, then return both Abort and original command for cleanup. Fixes: 219d27d7147e0 ("scsi: qla2xxx: Fix race conditions in the code for aborting SCSI commands") Cc: stable@vger.kernel.org # 5.2 Link: https://lore.kernel.org/r/20191105150657.8092-3-hmadhani@marvell.com Reviewed-by: Ewan D. Milne <emilne@redhat.com> Signed-off-by: Quinn Tran <qutran@marvell.com> Signed-off-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_init.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_init.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 5db8ad832893..7fdbe041cc19 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -101,8 +101,22 @@ static void qla24xx_abort_iocb_timeout(void *data)
u32 handle;
unsigned long flags;
+ if (sp->cmd_sp)
+ ql_dbg(ql_dbg_async, sp->vha, 0x507c,
+ "Abort timeout - cmd hdl=%x, cmd type=%x hdl=%x, type=%x\n",
+ sp->cmd_sp->handle, sp->cmd_sp->type,
+ sp->handle, sp->type);
+ else
+ ql_dbg(ql_dbg_async, sp->vha, 0x507c,
+ "Abort timeout 2 - hdl=%x, type=%x\n",
+ sp->handle, sp->type);
+
spin_lock_irqsave(qpair->qp_lock_ptr, flags);
for (handle = 1; handle < qpair->req->num_outstanding_cmds; handle++) {
+ if (sp->cmd_sp && (qpair->req->outstanding_cmds[handle] ==
+ sp->cmd_sp))
+ qpair->req->outstanding_cmds[handle] = NULL;
+
/* removing the abort */
if (qpair->req->outstanding_cmds[handle] == sp) {
qpair->req->outstanding_cmds[handle] = NULL;
@@ -111,6 +125,9 @@ static void qla24xx_abort_iocb_timeout(void *data)
}
spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
+ if (sp->cmd_sp)
+ sp->cmd_sp->done(sp->cmd_sp, QLA_OS_TIMER_EXPIRED);
+
abt->u.abt.comp_status = CS_TIMEOUT;
sp->done(sp, QLA_OS_TIMER_EXPIRED);
}
@@ -142,6 +159,7 @@ static int qla24xx_async_abort_cmd(srb_t *cmd_sp, bool wait)
sp->type = SRB_ABT_CMD;
sp->name = "abort";
sp->qpair = cmd_sp->qpair;
+ sp->cmd_sp = cmd_sp;
if (wait)
sp->flags = SRB_WAKEUP_ON_COMP;