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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.
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@ -1019,8 +1019,6 @@ static int v4l2_get_device_list(AVFormatContext *ctx, AVDeviceInfoList *device_l
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struct video_data *s = ctx->priv_data;
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DIR *dir;
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struct dirent *entry;
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AVDeviceInfo *device = NULL;
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struct v4l2_capability cap;
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int ret = 0;
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if (!device_list)
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@ -1033,6 +1031,8 @@ static int v4l2_get_device_list(AVFormatContext *ctx, AVDeviceInfoList *device_l
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return ret;
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}
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while ((entry = readdir(dir))) {
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AVDeviceInfo *device = NULL;
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struct v4l2_capability cap;
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int fd = -1;
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char device_name[256];
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