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| author | Adrian Bunk <bunk@stusta.de> | 2007-03-22 00:11:16 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-22 19:39:05 -0700 |
| commit | 47ebea8351061f763089f6c3e2d2403715b510e1 (patch) | |
| tree | c35bf89557e51b6577bc151bd8205ffe0137d690 /drivers/video/s3fb.c | |
| parent | fffda91e2e7ffcc4f60b8666a59f64f28081ce63 (diff) | |
| download | linux-47ebea8351061f763089f6c3e2d2403715b510e1.tar.gz linux-47ebea8351061f763089f6c3e2d2403715b510e1.tar.bz2 linux-47ebea8351061f763089f6c3e2d2403715b510e1.zip | |
[PATCH] drivers/video/s3fb.c: fix a use-before-check
NULL checks should be before the first dereference.
Spotted by the Coverity checker.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Acked-by: Ondrej Zajicek <santiago@crfreenet.org>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/s3fb.c')
| -rw-r--r-- | drivers/video/s3fb.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/video/s3fb.c b/drivers/video/s3fb.c index 98919a6975f0..3091b20124b4 100644 --- a/drivers/video/s3fb.c +++ b/drivers/video/s3fb.c @@ -1000,11 +1000,12 @@ err_enable_device: static void __devexit s3_pci_remove(struct pci_dev *dev) { struct fb_info *info = pci_get_drvdata(dev); - struct s3fb_info *par = info->par; if (info) { #ifdef CONFIG_MTRR + struct s3fb_info *par = info->par; + if (par->mtrr_reg >= 0) { mtrr_del(par->mtrr_reg, 0, 0); par->mtrr_reg = -1; |