[FFmpeg-cvslog] avformat/subviewerdec: Fix memleak upon read header failure

Andreas Rheinhardt git at videolan.org
Mon Jun 15 18:23:28 EEST 2020


ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at gmail.com> | Sun Jun 14 03:27:11 2020 +0200| [a708f652737eba08607df84394ca4bec6b458736] | committer: Andreas Rheinhardt

avformat/subviewerdec: Fix memleak upon read header failure

The already parsed subtitles (contained in an FFDemuxSubtitlesQueue)
would leak if an error happened upon reading a subsequent subtitle.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a708f652737eba08607df84394ca4bec6b458736
---

 libavformat/subviewerdec.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavformat/subviewerdec.c b/libavformat/subviewerdec.c
index 83378eab5f..fdca3a4820 100644
--- a/libavformat/subviewerdec.c
+++ b/libavformat/subviewerdec.c
@@ -172,6 +172,8 @@ static int subviewer_read_header(AVFormatContext *s)
     ff_subtitles_queue_finalize(s, &subviewer->q);
 
 end:
+    if (res < 0)
+        ff_subtitles_queue_clean(&subviewer->q);
     av_bprint_finalize(&header, NULL);
     return res;
 }



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