From 64ed0ab8d060d28a7787de29c76178c2efc1dd65 Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Thu, 26 Aug 2010 00:14:58 -0700
Subject: [PATCH] WMI: do not leak memory in parse_wdg()

If we _WDG returned object that is not buffer we were forgetting
to free memory allocated for that object.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
---
 drivers/platform/x86/wmi.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index 88ce87c74e27..a24a4b52c919 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -825,8 +825,10 @@ static acpi_status parse_wdg(acpi_handle handle)
 
 	obj = (union acpi_object *) out.pointer;
 
-	if (obj->type != ACPI_TYPE_BUFFER)
-		return AE_ERROR;
+	if (obj->type != ACPI_TYPE_BUFFER) {
+		status = AE_ERROR;
+		goto out_free_pointer;
+	}
 
 	total = obj->buffer.length / sizeof(struct guid_block);