[Bf-blender-cvs] [db15b23745f] blender-v2.80-release: Fix T67117: Font thumbnails crash to desktop

[Sebastian Parborg]

Commit: db15b23745fd3ff72e0756949716299bdb67b443
Author: Sebastian Parborg
Date:   Wed Jul 24 11:26:21 2019 +0200
Branches: blender-v2.80-release
https://developer.blender.org/rBdb15b23745fd3ff72e0756949716299bdb67b443

Fix T67117: Font thumbnails crash to desktop

We were missing a null pointer check for invalid fonts.

===================================================================

M	source/blender/blenfont/intern/blf_glyph.c

===================================================================

diff --git a/source/blender/blenfont/intern/blf_glyph.c b/source/blender/blenfont/intern/blf_glyph.c
index 049af7678d5..66be94aaa06 100644
--- a/source/blender/blenfont/intern/blf_glyph.c
+++ b/source/blender/blenfont/intern/blf_glyph.c
@@ -96,7 +96,7 @@ KerningCacheBLF *blf_kerning_cache_new(FontBLF *font)
           .x = 0,
           .y = 0,
       };
-      if (g_prev && FT_Get_Kerning(font->face, g_prev->idx, g->idx, kc->mode, &delta) == 0) {
+      if (g && g_prev && FT_Get_Kerning(font->face, g_prev->idx, g->idx, kc->mode, &delta) == 0) {
         kc->table[i][j] = (int)delta.x >> 6;
       }
       else {