avformat/mvdec: check av_strdup() return value

Signed-off-by: Steven Liu <lq@chinaffmpeg.org>

avformat/mvdec: check av_strdup() return value
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
b1071b40 · Steven Liu · 53928e0b · b1071b40
Commit b1071b40 authored Oct 10, 2019 by Steven Liu
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mvdec.c libavformat/mvdec.c +2 -0

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--- 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")) {