[FFmpeg-cvslog] avformat/vqf: fix memory leak in add_metadata()

[Kacper Michajłow]

ffmpeg | branch: master | Kacper Michajłow <kasper93 at gmail.com> | Sun Jan 26 20:40:27 2025 +0100| [4ba9ae7742a6f8a29d6486e25ff5709a075edb5b] | committer: Jan Ekström

avformat/vqf: fix memory leak in add_metadata()

Signed-off-by: Kacper Michajłow <kasper93 at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4ba9ae7742a6f8a29d6486e25ff5709a075edb5b
---

 libavformat/vqf.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/libavformat/vqf.c b/libavformat/vqf.c
index 58b1546f53..fbe54739cd 100644
--- a/libavformat/vqf.c
+++ b/libavformat/vqf.c
@@ -66,10 +66,10 @@ static int add_metadata(AVFormatContext *s, uint32_t tag,
         return AVERROR(ENOMEM);
 
     ret = avio_read(s->pb, buf, len);
-    if (ret < 0)
-        return ret;
-    if (len != ret)
-        return AVERROR_INVALIDDATA;
+    if (ret < 0 || ret != len) {
+        av_free(buf);
+        return ret < 0 ? ret : AVERROR_INVALIDDATA;
+    }
     buf[len] = 0;
     AV_WL32(key, tag);
     return av_dict_set(&s->metadata, key, buf, AV_DICT_DONT_STRDUP_VAL);