From: Grigori Goronzy <greg@chown.ath.cx>
Date: Sun, 7 Jun 2015 19:42:42 +0000 (+0200)
Subject: Check possible NULL dereference
X-Git-Tag: 0.12.3~8^2~1
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=30004491d2dc3ab84520333b1e13c82a99aa081f;p=libass

Check possible NULL dereference

Reported by clang scan-build static analysis. This cannot happen with
the current code, but the check might make this more robust in case
anything changes.
---

diff --git a/libass/ass_render.c b/libass/ass_render.c
index c49dd5c..c416cb8 100644
--- a/libass/ass_render.c
+++ b/libass/ass_render.c
@@ -2275,7 +2275,7 @@ static void render_and_combine_glyphs(ASS_Renderer *render_priv,
             }
             last_info = info;
 
-            if (!info->image)
+            if (!info->image || !current_info)
                 continue;
 
             if (current_info->bitmap_count >= current_info->max_bitmap_count) {