vpx: fix segfault on decoding (refs #16836)

daiXiaoSong · Apr 19, 2016 · f116ca5 · f116ca5
1 parent 147fec5
commit f116ca5
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/modules/codec/vpx.c b/modules/codec/vpx.c
@@ -108,8 +108,8 @@ static picture_t *Decode(decoder_t *dec, block_t **pp_block)
 {
     struct vpx_codec_ctx *ctx = &dec->p_sys->ctx;
 
-    block_t *block = *pp_block;
-    if (!block)
+    block_t *block = pp_block ? *pp_block : NULL;
+    if (!pp_block || !block)
         return NULL;
 
     if (block->i_flags & (BLOCK_FLAG_CORRUPTED)) {