From 38d473f99575f57f5911c7c94922fcf0b0a58b8d Mon Sep 17 00:00:00 2001
From: Ondrej Zajicek <santiago@crfreenet.org>
Date: Fri, 1 Jun 2007 00:46:43 -0700
Subject: vt8623fb: arkfb: null pointer dereference fix
This patch prevents null pointer dereference in arkfb and vt8623fb.
Signed-off-by: Ondrej Zajicek <santiago@crfreenet.org>
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
drivers/video/arkfb.c | 3 ++-
drivers/video/vt8623fb.c | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/video/arkfb.c b/drivers/video/arkfb.c
index ba6fede5c4..8a1b07c743 100644
--- a/drivers/video/arkfb.c
+++ b/drivers/video/arkfb.c
@@ -1055,9 +1055,10 @@ err_enable_device:
static void __devexit ark_pci_remove(struct pci_dev *dev)
{
struct fb_info *info = pci_get_drvdata(dev);
- struct arkfb_info *par = info->par;
if (info) {
+ struct arkfb_info *par = info->par;
+
#ifdef CONFIG_MTRR
if (par->mtrr_reg >= 0) {
mtrr_del(par->mtrr_reg, 0, 0);
diff --git a/drivers/video/vt8623fb.c b/drivers/video/vt8623fb.c
index 5e9755e464..30c0b94885 100644
--- a/drivers/video/vt8623fb.c
+++ b/drivers/video/vt8623fb.c
@@ -778,9 +778,10 @@ err_enable_device:
static void __devexit vt8623_pci_remove(struct pci_dev *dev)
{
struct fb_info *info = pci_get_drvdata(dev);
- struct vt8623fb_info *par = info->par;
if (info) {
+ struct vt8623fb_info *par = info->par;
+
#ifdef CONFIG_MTRR
if (par->mtrr_reg >= 0) {
mtrr_del(par->mtrr_reg, 0, 0);
--
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