Fix a crash on oom when decoding hevc.

(cherry picked from commit 5ab1efb9d0dc65e748a0291b67915e35578b302e)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

diff --git a/libavcodec/hevc.c b/libavcodec/hevc.c
index 8ff51a3..2b57d13 100644 (file)
--- a/libavcodec/hevc.c
+++ b/libavcodec/hevc.c
@@ -2604,7 +2604,8 @@ static av_cold int hevc_decode_free(AVCodecContext *avctx)
 
     pic_arrays_free(s);
 
-    av_freep(&lc->edge_emu_buffer);
+    if (lc)
+        av_freep(&lc->edge_emu_buffer);
     av_freep(&s->md5_ctx);
 
     for(i=0; i < s->nals_allocated; i++) {