wma: Check memory allocation

diff --git a/libavcodec/wmaenc.c b/libavcodec/wmaenc.c
index e801663d66b1ff6dccf2a012b098237dfc73b9bf..c176daa7c933be6a34687dc166ac15786d09d4eb 100644 (file)
--- 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);