linux-kernel - [PATCH] media: aspeed: fix error return code in aspeed_video_setup

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Date:   Fri, 4 Dec 2020 16:27:58 +0800
From:   Zhang Changzhong <zhangchangzhong@...wei.com>
To:     Eddie James <eajames@...ux.ibm.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...id.au>,
        Hans Verkuil <hverkuil-cisco@...all.nl>
CC:     Zhang Changzhong <zhangchangzhong@...wei.com>,
        <linux-media@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] media: aspeed: fix error return code in aspeed_video_setup_video()

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: d2b4387f3bdf ("media: platform: Add Aspeed Video Engine driver")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@...wei.com>
---
 drivers/media/platform/aspeed-video.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/media/platform/aspeed-video.c b/drivers/media/platform/aspeed-video.c
index c46a79e..f2c4dad 100644
--- a/drivers/media/platform/aspeed-video.c
+++ b/drivers/media/platform/aspeed-video.c
@@ -1551,12 +1551,12 @@ static int aspeed_video_setup_video(struct aspeed_video *video)
 			       V4L2_JPEG_CHROMA_SUBSAMPLING_420, mask,
 			       V4L2_JPEG_CHROMA_SUBSAMPLING_444);
 
-	if (video->ctrl_handler.error) {
+	rc = video->ctrl_handler.error;
+	if (rc) {
 		v4l2_ctrl_handler_free(&video->ctrl_handler);
 		v4l2_device_unregister(v4l2_dev);
 
-		dev_err(video->dev, "Failed to init controls: %d\n",
-			video->ctrl_handler.error);
+		dev_err(video->dev, "Failed to init controls: %d\n", rc);
 		return rc;
 	}
 
-- 
2.9.5