[FFmpeg-cvslog] avcodec/vp8: Check mutex init

[Michael Niedermayer]

ffmpeg | branch: release/5.1 | Michael Niedermayer <michael at niedermayer.cc> | Sun May 26 23:50:40 2024 +0200| [417723acccd4fbc2f21ef97af42cee046edb3b7f] | committer: Michael Niedermayer

avcodec/vp8: Check mutex init

Fixes: CID1598556 Unchecked return value

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 4ac7405aafb8e66dff2ac926f33b7ff755f224cf)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=417723acccd4fbc2f21ef97af42cee046edb3b7f
---

 libavcodec/vp8.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c
index f521f2c9de..3083378151 100644
--- a/libavcodec/vp8.c
+++ b/libavcodec/vp8.c
@@ -243,7 +243,11 @@ int update_dimensions(VP8Context *s, int width, int height, int is_vp7)
             return AVERROR(ENOMEM);
         }
 #if HAVE_THREADS
-        pthread_mutex_init(&s->thread_data[i].lock, NULL);
+        ret = pthread_mutex_init(&s->thread_data[i].lock, NULL);
+        if (ret) {
+            free_buffers(s);
+            return AVERROR(ret);
+        }
         pthread_cond_init(&s->thread_data[i].cond, NULL);
 #endif
     }