Fixed crash in wglShareList.
diff --git a/dlls/opengl32/wgl.c b/dlls/opengl32/wgl.c
index d3bff02..f38a218 100644
--- a/dlls/opengl32/wgl.c
+++ b/dlls/opengl32/wgl.c
@@ -560,7 +560,7 @@
TRACE("(%p, %p)\n", org, dest);
- if (dest->ctx != NULL) {
+ if (NULL != dest && dest->ctx != NULL) {
ERR("Could not share display lists, context already created !\n");
return FALSE;
} else {
@@ -570,15 +570,16 @@
LEAVE_GL();
TRACE(" created a delayed OpenGL context (%p) for Wine context %p\n", org->ctx, org);
}
-
- ENTER_GL();
- /* Create the destination context with display lists shared */
- dest->ctx = glXCreateContext(org->display, dest->vis, org->ctx, True);
- LEAVE_GL();
- TRACE(" created a delayed OpenGL context (%p) for Wine context %p sharing lists with OpenGL ctx %p\n", dest->ctx, dest, org->ctx);
+ if (NULL != dest) {
+ ENTER_GL();
+ /* Create the destination context with display lists shared */
+ dest->ctx = glXCreateContext(org->display, dest->vis, org->ctx, True);
+ LEAVE_GL();
+ TRACE(" created a delayed OpenGL context (%p) for Wine context %p sharing lists with OpenGL ctx %p\n", dest->ctx, dest, org->ctx);
+ return TRUE;
+ }
}
-
- return TRUE;
+ return FALSE;
}
/***********************************************************************
