fixed: some corner case segfaults for ttf renderer

git-svn-id: https://xbmc.svn.sourceforge.net/svnroot/xbmc/trunk@27178 568bbfeb-2a22-0410-94d2-cc84cf5bfa90

1 files changed, 7 insertions, 0 deletions

diff --git a/guilib/GUIFontTTF.cpp b/guilib/GUIFontTTF.cpp
index cc3931e2e7..a88c75b1e3 100644
--- a/guilib/GUIFontTTF.cpp
+++ b/guilib/GUIFontTTF.cpp
@@ -553,12 +553,19 @@ bool CGUIFontTTFBase::CacheCharacter(wchar_t letter, uint32_t style, Character *
       if(newTexture == NULL)
       {
         FT_Done_Glyph(glyph);
+        CLog::Log(LOGDEBUG, "GUIFontTTF::CacheCharacter: Failed to allocate new texture of height %u", newHeight);
         return false;
       }
       m_texture = newTexture;
     }
   }
 
+  if(m_texture == NULL)
+  {
+    CLog::Log(LOGDEBUG, "GUIFontTTF::CacheCharacter: no texture to cache character to");
+    return false;
+  }
+
   // set the character in our table
   ch->letterAndStyle = (style << 16) | letter;
   ch->offsetX = (short)bitGlyph->left;