segment: Check open_null_ctx() return value

Reported-By: infer
10 years ago · 8a78ae2d21
parent b7a4127a45
commit 8a78ae2d21
1 changed files with 2 additions and 1 deletions
--- a/libavformat/segment.c
+++ b/libavformat/segment.c
@ -351,7 +351,8 @@ static int seg_write_trailer(struct AVFormatContext *s)
    if (!seg->write_header_trailer) {
        if ((ret = segment_end(oc, 0)) < 0)
            goto fail;
-        open_null_ctx(&oc->pb);
+        if ((ret = open_null_ctx(&oc->pb)) < 0)
+            goto fail;
        ret = av_write_trailer(oc);
        close_null_ctx(oc->pb);
    } else {