[FFmpeg-cvslog] avformat/mov: return correct value in mov_read_cmov

[Pan Bian]

ffmpeg | branch: master | Pan Bian <bianpan2016 at 163.com> | Mon Nov 27 11:13:05 2017 +0800| [f63450c8e4c9c1f7af07869c4a25543e4e4d2626] | committer: Michael Niedermayer

avformat/mov: return correct value in mov_read_cmov

On some failure paths, the error code is not correctly set.

Signed-off-by: Pan Bian <bianpan2016 at 163.com>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f63450c8e4c9c1f7af07869c4a25543e4e4d2626
---

 libavformat/mov.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavformat/mov.c b/libavformat/mov.c
index 230a7f95d0..c9018592e0 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -4894,6 +4894,7 @@ static int mov_read_cmov(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     if (ret < 0)
         goto free_and_return;
 
+    ret = AVERROR_INVALIDDATA;
     if (uncompress (moov_data, (uLongf *) &moov_len, (const Bytef *)cmov_data, cmov_len) != Z_OK)
         goto free_and_return;
     if (ffio_init_context(&ctx, moov_data, moov_len, 0, NULL, NULL, NULL, NULL) != 0)