[FFmpeg-cvslog] idroqdec: fix leaking pkt on failure

[Andreas Cadhalpun]

ffmpeg | branch: master | Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com> | Tue Nov 29 00:43:27 2016 +0100| [c0175fa92b7edd45a06e4ab16c8e83da0c94a9f6] | committer: Andreas Cadhalpun

idroqdec: fix leaking pkt on failure

The code calls av_new_packet a few lines above and the allocated memory
has to be freed in case of an error.

Reviewed-by: Michael Niedermayer <michael at niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c0175fa92b7edd45a06e4ab16c8e83da0c94a9f6
---

 libavformat/idroqdec.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libavformat/idroqdec.c b/libavformat/idroqdec.c
index 83701b5..8fd67a6 100644
--- a/libavformat/idroqdec.c
+++ b/libavformat/idroqdec.c
@@ -222,8 +222,10 @@ static int roq_read_packet(AVFormatContext *s,
             pkt->pos= avio_tell(pb);
             ret = avio_read(pb, pkt->data + RoQ_CHUNK_PREAMBLE_SIZE,
                 chunk_size);
-            if (ret != chunk_size)
+            if (ret != chunk_size) {
+                av_packet_unref(pkt);
                 ret = AVERROR(EIO);
+            }
 
             packet_read = 1;
             break;