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authorOndrej Zajicek <santiago@crfreenet.org>2007-06-01 09:46:43 +0200
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-06-01 17:18:28 +0200
commit38d473f99575f57f5911c7c94922fcf0b0a58b8d (patch)
treef0d9f967ac96a1a02658f6bcd399407b7e615fb7
parentskeletonfb: fix of xxxfb_setup ifdef (diff)
downloadlinux-38d473f99575f57f5911c7c94922fcf0b0a58b8d.tar.xz
linux-38d473f99575f57f5911c7c94922fcf0b0a58b8d.zip
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>
-rw-r--r--drivers/video/arkfb.c3
-rw-r--r--drivers/video/vt8623fb.c3
2 files changed, 4 insertions, 2 deletions
diff --git a/drivers/video/arkfb.c b/drivers/video/arkfb.c
index ba6fede5c466..8a1b07c74394 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 5e9755e464a1..30c0b948852b 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);