diff options
| author | Ondrej Zajicek <santiago@crfreenet.org> | 2007-06-01 00:46:43 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-06-01 08:18:28 -0700 |
| commit | 38d473f99575f57f5911c7c94922fcf0b0a58b8d (patch) | |
| tree | f0d9f967ac96a1a02658f6bcd399407b7e615fb7 /drivers | |
| parent | 2d9f95f916e926195a57b76064586ea0b1985848 (diff) | |
| download | linux-3.10-38d473f99575f57f5911c7c94922fcf0b0a58b8d.tar.gz linux-3.10-38d473f99575f57f5911c7c94922fcf0b0a58b8d.tar.bz2 linux-3.10-38d473f99575f57f5911c7c94922fcf0b0a58b8d.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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/arkfb.c | 3 | ||||
| -rw-r--r-- | 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 ba6fede5c46..8a1b07c7439 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 5e9755e464a..30c0b948852 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); |