From 1059ee3cba030988091b54254a13d5899621e3c5 Mon Sep 17 00:00:00 2001
From: Sebastian Lackner <sebastian@fds-team.de>
Date: Mon, 6 Apr 2015 10:18:04 +0200
Subject: [PATCH] user32: Check for NULL pointer in ToUnicodeEx.

---
 dlls/user32/input.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dlls/user32/input.c b/dlls/user32/input.c
index 0ed4218a000..b6eecbe2658 100644
--- a/dlls/user32/input.c
+++ b/dlls/user32/input.c
@@ -1022,6 +1022,7 @@ INT WINAPI ToUnicode(UINT virtKey, UINT scanCode, const BYTE *lpKeyState,
 INT WINAPI ToUnicodeEx(UINT virtKey, UINT scanCode, const BYTE *lpKeyState,
 		       LPWSTR lpwStr, int size, UINT flags, HKL hkl)
 {
+    if (!lpKeyState) return 0;
     return USER_Driver->pToUnicodeEx(virtKey, scanCode, lpKeyState, lpwStr, size, flags, hkl);
 }
 
-- 
2.11.4.GIT