From 78a0711bff3581cf25551071e9fda43fc266dddd Mon Sep 17 00:00:00 2001
From: Brad Parker <cbparker@gmail.com>
Date: Mon, 29 May 2017 20:35:27 -0400
Subject: [PATCH] XMB: prevent null pointer dereference with GDI driver

---
 menu/menu_driver.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/menu/menu_driver.c b/menu/menu_driver.c
index 2df94a8801..a7d1fad1cf 100644
--- a/menu/menu_driver.c
+++ b/menu/menu_driver.c
@@ -929,6 +929,9 @@ void menu_display_rotate_z(menu_display_ctx_rotate_draw_t *draw)
 
    b = (math_matrix_4x4*)menu_disp->get_default_mvp();
 
+   if (!b)
+      return;
+
    matrix_4x4_rotate_z(matrix_rotated, draw->rotation);
    matrix_4x4_multiply(*draw->matrix, matrix_rotated, *b);