linux-kernel - [PATCH] media: uvc_v4l2: fix possible memory leak in uvc_ioctl_ctrl

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Message-Id: <20220324081718.41091-1-hbh25y@gmail.com>
Date:   Thu, 24 Mar 2022 16:17:18 +0800
From:   Hangyu Hua <hbh25y@...il.com>
To:     laurent.pinchart@...asonboard.com, mchehab@...nel.org
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        Hangyu Hua <hbh25y@...il.com>
Subject: [PATCH] media: uvc_v4l2: fix possible memory leak in uvc_ioctl_ctrl_map

map->name needs to be freed when uvc_ioctl_ctrl_map fails.

Signed-off-by: Hangyu Hua <hbh25y@...il.com>
---
 drivers/media/usb/uvc/uvc_v4l2.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c
index 711556d13d03..e46a2f3b06cb 100644
--- a/drivers/media/usb/uvc/uvc_v4l2.c
+++ b/drivers/media/usb/uvc/uvc_v4l2.c
@@ -93,6 +93,7 @@ static int uvc_ioctl_ctrl_map(struct uvc_video_chain *chain,
 
 	kfree(map->menu_info);
 free_map:
+	kfree(map->name);
 	kfree(map);
 
 	return ret;
-- 
2.25.1