From f05e72324ce42c1cbe1b965959c45772d8b6523b Mon Sep 17 00:00:00 2001
From: wangming9 <wangming9@xiaomi.com>
Date: Wed, 30 Aug 2023 21:55:31 +0800
Subject: [PATCH] drivers/video: fix build error on CONFIG_DEBUG_OPTLEVEL="-O3"
Summary
The following compilation error occurs after configuring CONFIG_DEBUG_OPTLEVEL="-O3"
CC: ping.c video/video.c: In function 'video_ioctl':
video/video.c:2347:22: error: 'control.size' may be used uninitialized [-Werror=maybe-uninitialized]
2347 | control->size,
| ^~
video/video.c:2273:28: note: 'control' declared here
2273 | struct v4l2_ext_control control;
| ^~~~~~~
Signed-off-by: wangming9 <wangming9@xiaomi.com>
---
drivers/video/video.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/video/video.c b/drivers/video/video.c
index 21b262c35a..a3ba606b01 100644
--- a/drivers/video/video.c
+++ b/drivers/video/video.c
@@ -2276,6 +2276,9 @@ static int video_g_ctrl(FAR struct video_mng_s *priv,
struct v4l2_ext_control control;
int ret;
+ memset(&ext_controls, 0, sizeof(struct v4l2_ext_controls));
+ memset(&control, 0, sizeof(struct v4l2_ext_control));
+
if (ctrl == NULL)
{
return -EINVAL;