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authorAnton Khirnov <anton@khirnov.net>2021-11-25 15:58:14 +0100
committerAnton Khirnov <anton@khirnov.net>2021-12-07 11:16:14 +0100
commitb532ca3d2f1f1caab71c0aab979949882b695198 (patch)
tree10de5858b4e7f771beb8e9b39a4b8b7a7a52e1b2 /libavdevice
parente1151fbf224da62f75fa975a1b18b7e74a13b1b1 (diff)
downloadffmpeg-b532ca3d2f1f1caab71c0aab979949882b695198.tar.gz
lavd/v4l2: reduce variable scope
device and cap are local to the loop iteration, there is no need for them to retain their values. Especially for device it may be dangerous, since it points to av_malloc'ed data.
Diffstat (limited to 'libavdevice')
-rw-r--r--libavdevice/v4l2.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libavdevice/v4l2.c b/libavdevice/v4l2.c
index 4b7984f1b0..fefea54142 100644
--- a/libavdevice/v4l2.c
+++ b/libavdevice/v4l2.c
@@ -1019,8 +1019,6 @@ static int v4l2_get_device_list(AVFormatContext *ctx, AVDeviceInfoList *device_l
struct video_data *s = ctx->priv_data;
DIR *dir;
struct dirent *entry;
- AVDeviceInfo *device = NULL;
- struct v4l2_capability cap;
int ret = 0;
if (!device_list)
@@ -1033,6 +1031,8 @@ static int v4l2_get_device_list(AVFormatContext *ctx, AVDeviceInfoList *device_l
return ret;
}
while ((entry = readdir(dir))) {
+ AVDeviceInfo *device = NULL;
+ struct v4l2_capability cap;
int fd = -1;
char device_name[256];