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pl061: fix offset value range checking

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The valid offset value is 0..PL061_GPIO_NR-1, this patch corrects the
offset value range checking.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Axel Lin 2010-05-26 14:42:19 -07:00 committed by Linus Torvalds
parent 7839ec7821
commit c1cc9b9775
1 changed files with 1 additions and 1 deletions
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2
drivers/gpio/pl061.c
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@ -164,7 +164,7 @@ static int pl061_irq_type(unsigned irq, unsigned trigger)
unsigned long flags;
u8 gpiois, gpioibe, gpioiev;
if (offset < 0 || offset > PL061_GPIO_NR)
if (offset < 0 || offset >= PL061_GPIO_NR)
return -EINVAL;
spin_lock_irqsave(&chip->irq_lock, flags);