From a978ccc0bb7f0fc8a26d102995dc177de22ccdc0 Mon Sep 17 00:00:00 2001
From: Armin Novak <armin.novak@thincast.com>
Date: Thu, 4 Aug 2016 13:24:35 +0200
Subject: [PATCH] Added argument checks.

---
 libfreerdp/cache/pointer.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/libfreerdp/cache/pointer.c b/libfreerdp/cache/pointer.c
index 69cadb901..ad3576a09 100644
--- a/libfreerdp/cache/pointer.c
+++ b/libfreerdp/cache/pointer.c
@@ -137,7 +137,12 @@ static BOOL update_pointer_new(rdpContext* context,
                                const POINTER_NEW_UPDATE* pointer_new)
 {
 	rdpPointer* pointer;
-	rdpCache* cache = context->cache;
+	rdpCache* cache;
+
+	if (!context || !pointer_new)
+		return FALSE;
+
+	cache = context->cache;
 	pointer = Pointer_Alloc(context);
 
 	if (!pointer)