From: wm4 <wm4@nowhere>
Date: Mon, 7 Sep 2015 11:36:23 +0000 (+0200)
Subject: ass_render: fix potential NULL deref
X-Git-Tag: 0.13.0~21
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=6bfcc29f458e597a323f26f30417e057a917cbe6;p=libass

ass_render: fix potential NULL deref

Fixes CID 146421.
---

diff --git a/libass/ass_render.c b/libass/ass_render.c
index 88ab734..e7a3060 100644
--- a/libass/ass_render.c
+++ b/libass/ass_render.c
@@ -1803,7 +1803,7 @@ static void make_shadow_bitmap(CombinedBitmapInfo *info, ASS_Renderer *render_pr
     } else if (info->bm_o) {
         info->bm_s = info->bm_o;
         info->bm_o = 0;
-    } else
+    } else if (info->bm)
         info->bm_s = copy_bitmap(render_priv->engine, info->bm);
 
     if (!info->bm_s)