avcodec/vda_h264: fix null pointer dereference

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
11 years ago · 2856332719
parent 5449239a03
commit 2856332719
1 changed files with 5 additions and 3 deletions
--- a/libavcodec/vda_h264.c
+++ b/libavcodec/vda_h264.c
@ -274,9 +274,11 @@ int ff_vda_destroy_decoder(struct vda_context *vda_ctx)
 static int vda_h264_uninit(AVCodecContext *avctx)
 {
    VDAContext *vda = avctx->internal->hwaccel_priv_data;
-    av_freep(&vda->bitstream);
-    if (vda->frame)
-        CVPixelBufferRelease(vda->frame);
+    if (vda) {
+        av_freep(&vda->bitstream);
+        if (vda->frame)
+            CVPixelBufferRelease(vda->frame);
+    }
    return 0;
 }