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lavd/v4l2: reduce variable scope

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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.
This commit is contained in:
Anton Khirnov 2021-11-25 15:58:14 +01:00
parent e1151fbf22
commit b532ca3d2f
1 changed files with 2 additions and 2 deletions
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4
libavdevice/v4l2.c
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@ -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];