From 2a6318b8c561b86ec58368cb2cac5e1d749e8236 Mon Sep 17 00:00:00 2001
From: Armin Novak <armin.novak@thincast.com>
Date: Tue, 1 Sep 2015 12:05:22 +0200
Subject: [PATCH] Fixed zero length allocation.

---
 server/shadow/shadow_client.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/server/shadow/shadow_client.c b/server/shadow/shadow_client.c
index bd0c581..fc141fb 100644
--- a/server/shadow/shadow_client.c
+++ b/server/shadow/shadow_client.c
@@ -713,9 +713,11 @@ int shadow_client_send_bitmap_update(rdpShadowClient* client, rdpShadowSurface*
 		UINT32 i, j;
 		UINT32 updateSize;
 		UINT32 newUpdateSize;
-		BITMAP_DATA* fragBitmapData;
+		BITMAP_DATA* fragBitmapData = NULL;
+
+		if (k > 0)
+			fragBitmapData = (BITMAP_DATA*) malloc(sizeof(BITMAP_DATA) * k);
 
-		fragBitmapData = (BITMAP_DATA*) malloc(sizeof(BITMAP_DATA) * k);
 		if (!fragBitmapData)
 		{
 			free(bitmapData);
-- 
2.7.4