wma: Check memory allocation

10 years ago · 83797da6e3
parent e1ea365f7e
commit 83797da6e3
1 changed files with 4 additions and 0 deletions
--- a/libavcodec/wmaenc.c
+++ b/libavcodec/wmaenc.c
@ -62,11 +62,15 @@ static av_cold int encode_init(AVCodecContext *avctx)
    flags2 = 1;
    if (avctx->codec->id == AV_CODEC_ID_WMAV1) {
        extradata             = av_malloc(4);
+        if (!extradata)
+            return AVERROR(ENOMEM);
        avctx->extradata_size = 4;
        AV_WL16(extradata, flags1);
        AV_WL16(extradata + 2, flags2);
    } else if (avctx->codec->id == AV_CODEC_ID_WMAV2) {
        extradata             = av_mallocz(10);
+        if (!extradata)
+            return AVERROR(ENOMEM);
        avctx->extradata_size = 10;
        AV_WL32(extradata, flags1);
        AV_WL16(extradata + 4, flags2);