If AVPacket->data == NULL, the packet does not contain any buffer to

be freed.
This fixes a double free on exit.

Originally committed as revision 16857 to svn://svn.ffmpeg.org/ffmpeg/trunk
pull/126/head
Luca Abeni 16 years ago
parent 73f184936d
commit 5449a787c9
  1. 4
      libavdevice/v4l2.c

@ -325,6 +325,10 @@ static void mmap_release_buffer(AVPacket *pkt)
int res, fd;
struct buff_data *buf_descriptor = pkt->priv;
if (pkt->data == NULL) {
return;
}
memset(&buf, 0, sizeof(struct v4l2_buffer));
buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
buf.memory = V4L2_MEMORY_MMAP;

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