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authorAndreas Rheinhardt <andreas.rheinhardt@gmail.com>2020-06-14 03:04:29 +0200
committerAndreas Rheinhardt <andreas.rheinhardt@gmail.com>2020-06-15 16:54:05 +0200
commita86a5d06d8967d01964833456df1df9fc186f125 (patch)
tree5a664340f70e1b50da4150b042c3a46de8adc5de
parentac378c535be907ee383dafb430be7216a2920982 (diff)
avformat/aqtitledec: 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@gmail.com>
-rw-r--r--libavformat/aqtitledec.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/libavformat/aqtitledec.c b/libavformat/aqtitledec.c
index 8cc82a8f39..81630d73b0 100644
--- a/libavformat/aqtitledec.c
+++ b/libavformat/aqtitledec.c
@@ -81,11 +81,11 @@ static int aqt_read_header(AVFormatContext *s)
if (!new_event) {
sub = ff_subtitles_queue_insert(&aqt->q, "\n", 1, 1);
if (!sub)
- return AVERROR(ENOMEM);
+ goto fail;
}
sub = ff_subtitles_queue_insert(&aqt->q, line, strlen(line), !new_event);
if (!sub)
- return AVERROR(ENOMEM);
+ goto fail;
if (new_event) {
sub->pts = frame;
sub->duration = -1;
@@ -97,6 +97,9 @@ static int aqt_read_header(AVFormatContext *s)
ff_subtitles_queue_finalize(s, &aqt->q);
return 0;
+fail:
+ ff_subtitles_queue_clean(&aqt->q);
+ return AVERROR(ENOMEM);
}
static int aqt_read_packet(AVFormatContext *s, AVPacket *pkt)