From 2312d488aaa4cd7a777cedf1d635756e4d06d6d6 Mon Sep 17 00:00:00 2001
From: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Date: Thu, 7 Aug 2014 23:26:00 +0200
Subject: [PATCH] exynos: fix font rendering

It would just segfault after a while, since we weren't deferencing
the 'msg' pointer to check for the end of the string.
Eventually this would let 'msg' point to invalid memory.
---
 gfx/exynos_gfx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gfx/exynos_gfx.c b/gfx/exynos_gfx.c
index 5a91cc8414..efbbda51ed 100644
--- a/gfx/exynos_gfx.c
+++ b/gfx/exynos_gfx.c
@@ -1125,7 +1125,7 @@ static int exynos_render_msg(struct exynos_video *vid,
 
   atlas = vid->font_driver->get_atlas(vid->font);
 
-  for (; msg; ++msg) {
+  for (; *msg; ++msg) {
     const struct font_glyph *glyph = vid->font_driver->get_glyph(vid->font, (uint8_t)*msg);
     if (glyph == NULL)
       continue;