From: Ondrej Zajicek <santiago@crfreenet.org>
To: torvalds@linux-foundation.org
Cc: linux-fbdev-devel@lists.sourceforge.net, adaplas@gmail.com
Subject: Fixes for vt8623fb and arkfb drivers
Date: Sat, 19 May 2007 14:41:39 +0200 [thread overview]
Message-ID: <20070519124139.GB19191@localhost.localdomain> (raw)
This patch prevents null pointer dereference in arkfb and vt8623fb.
It is against linux-2.6.22-rc2
Signed-off-by: Ondrej Zajicek <santiago@crfreenet.org>
---
diff -uprN -X linux-2.6.22-rc2/Documentation/dontdiff linux-2.6.22-rc2/drivers/video/arkfb.c linux-2.6.22-rc2-fixed/drivers/video/arkfb.c
--- linux-2.6.22-rc2/drivers/video/arkfb.c 2007-05-19 14:12:23.000000000 +0200
+++ linux-2.6.22-rc2-fixed/drivers/video/arkfb.c 2007-05-19 14:05:08.000000000 +0200
@@ -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 -uprN -X linux-2.6.22-rc2/Documentation/dontdiff linux-2.6.22-rc2/drivers/video/vt8623fb.c linux-2.6.22-rc2-fixed/drivers/video/vt8623fb.c
--- linux-2.6.22-rc2/drivers/video/vt8623fb.c 2007-05-19 14:12:23.000000000 +0200
+++ linux-2.6.22-rc2-fixed/drivers/video/vt8623fb.c 2007-05-19 13:46:21.000000000 +0200
@@ -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);
--
Elen sila lumenn' omentielvo
Ondrej 'SanTiago' Zajicek (email: santiago@mail.cz, jabber: santiago@njs.netlab.cz)
OpenPGP encrypted e-mails preferred (KeyID 0x11DEADC3, wwwkeys.pgp.net)
"To err is human -- to blame it on a computer is even more so."
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reply other threads:[~2007-05-19 12:41 UTC|newest]
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