From: "Antonino A. Daplas" <adaplas@gmail.com>
To: Andrew Morton <akpm@osdl.org>
Cc: Linux Fbdev development list <linux-fbdev-devel@lists.sourceforge.net>
Subject: [PATCH 2/9] vt8623fb: arkfb: null pointer dereference fix
Date: Sun, 27 May 2007 08:46:52 +0800 [thread overview]
Message-ID: <4658D4FC.3010305@gmail.com> (raw)
From: Ondrej Zajicek <santiago@crfreenet.org>
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>
---
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 ba6fede..8a1b07c 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 5e9755e..30c0b94 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);
-------------------------------------------------------------------------
This SF.net email is sponsored by DB2 Express
Download DB2 Express C - the FREE version of DB2 express and take
control of your XML. No limits. Just data. Click to get it now.
http://sourceforge.net/powerbar/db2/
reply other threads:[~2007-05-27 9:51 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4658D4FC.3010305@gmail.com \
--to=adaplas@gmail.com \
--cc=akpm@osdl.org \
--cc=linux-fbdev-devel@lists.sourceforge.net \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).