linux-kernel - [PATCH] media: imx274: fix missing return assignment from call to imx274_mode

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Date:   Fri,  3 Nov 2017 06:41:06 +0000
From:   Colin King <colin.king@...onical.com>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Leon Luo <leonl@...pardimaging.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        linux-media@...r.kernel.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] media: imx274: fix missing return assignment from call to imx274_mode_regs

From: Colin Ian King <colin.king@...onical.com>

The variable ret is being checked for failure however it is not being set
from the return status from the call to imx274_mode_regs. Currently ret is
alwayus zero and the check is redundant. Fix this by assigning it.

Detected by CoverityScan, CID#1460278 ("Logically dead code")

Fixes: 0985dd306f72 ("media: imx274: V4l2 driver for Sony imx274 CMOS sensor")
Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 drivers/media/i2c/imx274.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/i2c/imx274.c b/drivers/media/i2c/imx274.c
index ab6a5f31da74..800b9bf9cdd3 100644
--- a/drivers/media/i2c/imx274.c
+++ b/drivers/media/i2c/imx274.c
@@ -1059,7 +1059,7 @@ static int imx274_s_stream(struct v4l2_subdev *sd, int on)
 
 	if (on) {
 		/* load mode registers */
-		imx274_mode_regs(imx274, imx274->mode_index);
+		ret = imx274_mode_regs(imx274, imx274->mode_index);
 		if (ret)
 			goto fail;
 
-- 
2.14.1