Extra null check before accessing user given context pointer.
Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikk...@gmail.com>
---
src/glx/glxcurrent.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/glx/glxcurrent.c b/src/glx/glxcurrent.c
index a6884cf..b9f259e 100644
--- a/src/glx/glxcurrent.c
+++ b/src/glx/glxcurrent.c
@@ -234,7 +234,7 @@ MakeContextCurrent(Display * dpy, GLXDrawable draw,
_glapi_check_multithread();
__glXLock();
- if (oldGC == gc &&
+ if (oldGC == gc && gc != NULL &&
gc->currentDrawable == draw && gc->currentReadable == read) {
__glXUnlock();
return True;
--
1.8.1.2
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