linux-kernel - [PATCH 4.14 33/51] scsi: smartpqi: unlock on error in pqi_submit_raid_request

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Message-Id: <20190624092310.099740505@linuxfoundation.org>
Date:   Mon, 24 Jun 2019 17:56:51 +0800
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Dan Carpenter <dan.carpenter@...cle.com>,
        Don Brace <don.brace@...rosemi.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.14 33/51] scsi: smartpqi: unlock on error in pqi_submit_raid_request_synchronous()

[ Upstream commit cc8f52609bb4177febade24d11713e20c0893b0a ]

We need to drop the "ctrl_info->sync_request_sem" lock before returning.

Fixes: 6c223761eb54 ("smartpqi: initial commit of Microsemi smartpqi driver")
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Acked-by: Don Brace <don.brace@...rosemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/scsi/smartpqi/smartpqi_init.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c
index d34351c6b9af..4055753b495a 100644
--- a/drivers/scsi/smartpqi/smartpqi_init.c
+++ b/drivers/scsi/smartpqi/smartpqi_init.c
@@ -3686,8 +3686,10 @@ static int pqi_submit_raid_request_synchronous(struct pqi_ctrl_info *ctrl_info,
 				return -ETIMEDOUT;
 			msecs_blocked =
 				jiffies_to_msecs(jiffies - start_jiffies);
-			if (msecs_blocked >= timeout_msecs)
-				return -ETIMEDOUT;
+			if (msecs_blocked >= timeout_msecs) {
+				rc = -ETIMEDOUT;
+				goto out;
+			}
 			timeout_msecs -= msecs_blocked;
 		}
 	}
-- 
2.20.1