carminefb: fix possible access beyond end of carmine_modedb[]

This check is off-by-one.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Sebastian Siewior <bigeasy@linutronix.de>
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>
This commit is contained in:
Roel Kluin 2009-06-16 15:34:32 -07:00 committed by Linus Torvalds
parent 34308fd4a2
commit 493f139ecf

View file

@ -562,7 +562,7 @@ static int __devinit alloc_carmine_fb(void __iomem *regs, void __iomem *smem_bas
if (ret < 0)
goto err_free_fb;
if (fb_mode > ARRAY_SIZE(carmine_modedb))
if (fb_mode >= ARRAY_SIZE(carmine_modedb))
fb_mode = CARMINEFB_DEFAULT_VIDEO_MODE;
par->cur_mode = par->new_mode = ~0;