linux-kernel - [PATCH 4.19 38/63] scsi: qla2xxx: Turn off IOCB timeout timer on IOCB completion

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Message-Id: <20190929135038.749635490@linuxfoundation.org>
Date:   Sun, 29 Sep 2019 15:54:11 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Quinn Tran <quinn.tran@...ium.com>,
        Himanshu Madhani <himanshu.madhani@...ium.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 38/63] scsi: qla2xxx: Turn off IOCB timeout timer on IOCB completion

From: Quinn Tran <quinn.tran@...ium.com>

[ Upstream commit e112761a4f1dcbe9fb9f43f46de7be69d6963b0d ]

Turn off IOCB timeout timer on IOCB completion instead of turning it off in a
deferred task.  This prevent false alarm if the deferred task is stalled out.

Signed-off-by: Quinn Tran <quinn.tran@...ium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@...ium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/scsi/qla2xxx/qla_gs.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index fc08e46a93ca9..98d936f18b65e 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -4225,10 +4225,13 @@ static void qla2x00_async_gpnft_gnnft_sp_done(void *s, int res)
 		return;
 	}
 
-	if (cmd == GPN_FT_CMD)
+	if (cmd == GPN_FT_CMD) {
+		del_timer(&sp->u.iocb_cmd.timer);
 		e = qla2x00_alloc_work(vha, QLA_EVT_GPNFT_DONE);
-	else
+	} else {
 		e = qla2x00_alloc_work(vha, QLA_EVT_GNNFT_DONE);
+	}
+
 	if (!e) {
 		/* please ignore kernel warning. Otherwise, we have mem leak. */
 		if (sp->u.iocb_cmd.u.ctarg.req) {
@@ -4357,7 +4360,6 @@ void qla24xx_async_gpnft_done(scsi_qla_host_t *vha, srb_t *sp)
 {
 	ql_dbg(ql_dbg_disc, vha, 0xffff,
 	    "%s enter\n", __func__);
-	del_timer(&sp->u.iocb_cmd.timer);
 	qla24xx_async_gnnft(vha, sp, sp->gen2);
 }
 
-- 
2.20.1