msm: kgsl: Dereference pagetable pointer after checking it's not NULL
The pt pointer was being checked against NULL value after it was
dereferenced
Change-Id: Ifbdeb7bec5e3f28396196d8f55356e5dbf1a2e55
CRs-Fixed: 336516
Signed-off-by: Shubhraprakash Das <sadas@codeaurora.org>
diff --git a/drivers/gpu/msm/kgsl_gpummu.c b/drivers/gpu/msm/kgsl_gpummu.c
index a16b954..97b5ef1 100644
--- a/drivers/gpu/msm/kgsl_gpummu.c
+++ b/drivers/gpu/msm/kgsl_gpummu.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2011, Code Aurora Forum. All rights reserved.
+/* Copyright (c) 2011-2012, Code Aurora Forum. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -398,11 +398,11 @@
enum kgsl_deviceid id)
{
unsigned int result = 0;
- struct kgsl_gpummu_pt *gpummu_pt = (struct kgsl_gpummu_pt *)
- pt->priv;
+ struct kgsl_gpummu_pt *gpummu_pt;
if (pt == NULL)
return 0;
+ gpummu_pt = pt->priv;
spin_lock(&pt->lock);
if (gpummu_pt->tlb_flags && (1<<id)) {