diff options
| author | Ville Syrjala <syrjala@sci.fi> | 2008-07-24 08:31:30 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-24 21:47:39 +0400 |
| commit | 3880b0b5297ae9bf58a7662d13a46b5d5f0b2af6 (patch) | |
| tree | f450fe9d753da590357f9f80a8a6bf2ed63127c6 /drivers/video | |
| parent | 50cd0221c9062ec5dac8a3620f36f568df052ac1 (diff) | |
| download | linux-3880b0b5297ae9bf58a7662d13a46b5d5f0b2af6.tar.xz | |
atyfb: correct_chipset() can fail
Atari probe code relies on correct_chipset() failing if the device is not
a mach64 GX/CX. aty_chips[] array would be indexed with -1 in that case.
Signed-off-by: Ville Syrjala <syrjala@sci.fi>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/aty/atyfb_base.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c index d7ba3f1a4d80..d6903c70bee5 100644 --- a/drivers/video/aty/atyfb_base.c +++ b/drivers/video/aty/atyfb_base.c @@ -424,7 +424,6 @@ static struct { #endif /* CONFIG_FB_ATY_CT */ }; -/* can not fail */ static int __devinit correct_chipset(struct atyfb_par *par) { u8 rev; @@ -437,6 +436,9 @@ static int __devinit correct_chipset(struct atyfb_par *par) if (par->pci_id == aty_chips[i].pci_id) break; + if (i < 0) + return -ENODEV; + name = aty_chips[i].name; par->pll_limits.pll_max = aty_chips[i].pll; par->pll_limits.mclk = aty_chips[i].mclk; |