matroskaenc: check avio_open_dyn_buf return value

CC: libav-stable@libav.org Bug-Id: CID 703629

matroskaenc: check avio_open_dyn_buf return value
CC: libav-stable@libav.org Bug-Id: CID 703629
28c020d4 · Vittorio Giovara · e0caa1eb · 28c020d4
Commit 28c020d4 authored Oct 23, 2014 by Vittorio Giovara
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Showing with 5 additions and 2 deletions

matroskaenc.c libavformat/matroskaenc.c +5 -2

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--- 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;
    }