avformat/mvdec: check av_strdup() return value

Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
5 years ago · b1071b405d
parent 53928e0b49
commit b1071b405d
1 changed files with 2 additions and 0 deletions
--- a/libavformat/mvdec.c
+++ b/libavformat/mvdec.c
@ -211,6 +211,8 @@ static int parse_video_var(AVFormatContext *avctx, AVStream *st,
    } else if (!strcmp(name, "ORIENTATION")) {
        if (var_read_int(pb, size) == 1101) {
            st->codecpar->extradata      = av_strdup("BottomUp");
+            if (!st->codecpar->extradata)
+                return AVERROR(ENOMEM);
            st->codecpar->extradata_size = 9;
        }
    } else if (!strcmp(name, "Q_SPATIAL") || !strcmp(name, "Q_TEMPORAL")) {