From 24ed9cfd23b005511fb1b4007b7522927e86430a Mon Sep 17 00:00:00 2001
From: Wang Fan <fan.wang@intel.com>
Date: Wed, 3 Jan 2018 17:35:53 +0800
Subject: NetworkPkg: Fix a memory leak issue in UDP6 driver

In UDP6Dxe Udp6Groups(), the code return directly without free the
buffer allocated for McastIp when JoinFlag is TRUE. It is a memory
leak issue that needs to be fixed. This patch is to fix this issue.

Cc: Ye Ting <ting.ye@intel.com>
Cc: Jiaxin Wu <jiaxin.wu@intel.com>
Cc: Fu Siyuan <siyuan.fu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Wang Fan <fan.wang@intel.com>
Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com>
---
 NetworkPkg/Udp6Dxe/Udp6Main.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'NetworkPkg/Udp6Dxe')

diff --git a/NetworkPkg/Udp6Dxe/Udp6Main.c b/NetworkPkg/Udp6Dxe/Udp6Main.c
index 9105ef453f..8495bc332a 100644
--- a/NetworkPkg/Udp6Dxe/Udp6Main.c
+++ b/NetworkPkg/Udp6Dxe/Udp6Main.c
@@ -351,6 +351,9 @@ Udp6Groups (
 
   Instance = UDP6_INSTANCE_DATA_FROM_THIS (This);
   if (!Instance->Configured) {
+    if (McastIp != NULL) {
+      FreePool (McastIp);
+    }
     return EFI_NOT_STARTED;
   }
 
-- 
cgit v1.2.3