Merge commit 'ede508443e4bf57dc1e019fac81bf6244b88fbd3'

* commit 'ede508443e4bf57dc1e019fac81bf6244b88fbd3':
  vc1dec: Fix leaks in ff_vc1_decode_init_alloc_tables on errors

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

1 files changed, 13 insertions, 2 deletions

diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 9bd5f69b34..d3a3616f3a 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -5538,8 +5538,19 @@ av_cold int ff_vc1_decode_init_alloc_tables(VC1Context *v)
 
     if (!v->mv_type_mb_plane || !v->direct_mb_plane || !v->acpred_plane || !v->over_flags_plane ||
         !v->block || !v->cbp_base || !v->ttblk_base || !v->is_intra_base || !v->luma_mv_base ||
-        !v->mb_type_base)
-            return -1;
+        !v->mb_type_base) {
+        av_freep(&v->mv_type_mb_plane);
+        av_freep(&v->direct_mb_plane);
+        av_freep(&v->acpred_plane);
+        av_freep(&v->over_flags_plane);
+        av_freep(&v->block);
+        av_freep(&v->cbp_base);
+        av_freep(&v->ttblk_base);
+        av_freep(&v->is_intra_base);
+        av_freep(&v->luma_mv_base);
+        av_freep(&v->mb_type_base);
+        return AVERROR(ENOMEM);
+    }
 
     return 0;
 }