[FFmpeg-cvslog] avformat/au: check return value of av_bprint_finalize()

[Limin Wang]

ffmpeg | branch: master | Limin Wang <lance.lmwang at gmail.com> | Mon Jun 22 21:49:30 2020 +0800| [a7aa903b7baf075e33d5f1c3bf921b4066a9e645] | committer: Limin Wang

avformat/au: check return value of av_bprint_finalize()

Reviewed-by:   Nicolas George <george at nsup.org>
Signed-off-by: Limin Wang <lance.lmwang at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a7aa903b7baf075e33d5f1c3bf921b4066a9e645
---

 libavformat/au.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/libavformat/au.c b/libavformat/au.c
index 4afee85a94..ff9176a1f1 100644
--- a/libavformat/au.c
+++ b/libavformat/au.c
@@ -81,7 +81,7 @@ static int au_read_annotation(AVFormatContext *s, int size)
     AVBPrint bprint;
     char * key = NULL;
     char * value = NULL;
-    int i;
+    int ret, i;
 
     av_bprint_init(&bprint, 64, AV_BPRINT_SIZE_UNLIMITED);
 
@@ -92,7 +92,9 @@ static int au_read_annotation(AVFormatContext *s, int size)
             if (c == '\0') {
                 state = PARSE_FINISHED;
             } else if (c == '=') {
-                av_bprint_finalize(&bprint, &key);
+                ret = av_bprint_finalize(&bprint, &key);
+                if (ret < 0)
+                    return ret;
                 av_bprint_init(&bprint, 64, AV_BPRINT_SIZE_UNLIMITED);
                 state = PARSE_VALUE;
             } else {