matroskaenc: check avio_open_dyn_buf return value

CC: libav-stable@libav.org Bug-Id: CID 703629
10 years ago · 28c020d4df
parent e0caa1eb4e
commit 28c020d4df
1 changed files with 5 additions and 2 deletions
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@ -1443,8 +1443,11 @@ static int mkv_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
    ts += mkv->tracks[pkt->stream_index].ts_offset;

    if (!s->pb->seekable) {
-        if (!mkv->dyn_bc)
-            avio_open_dyn_buf(&mkv->dyn_bc);
+        if (!mkv->dyn_bc) {
+            ret = avio_open_dyn_buf(&mkv->dyn_bc);
+            if (ret < 0)
+                return ret;
+        }
        pb = mkv->dyn_bc;
    }