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ARM: S5P: fix incorrect loop iterator usage on gpio-interrupt

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Loop iterator value after terminating list_for_each_entry()
is not NULL. This patch fixes incorrect iterator usage in
GPIO interrupt code for SAMSUNG S5P platforms.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Marek Szyprowski 2011-09-26 13:16:45 +09:00 committed by Kukjin Kim
parent 4344646ff1
commit b76f7cdca5
1 changed files with 5 additions and 4 deletions
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9
arch/arm/plat-s5p/irq-gpioint.c
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@ -114,17 +114,18 @@ static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip)
{
static int used_gpioint_groups = 0;
int group = chip->group;
struct s5p_gpioint_bank *bank = NULL;
struct s5p_gpioint_bank *b, *bank = NULL;
struct irq_chip_generic *gc;
struct irq_chip_type *ct;
if (used_gpioint_groups >= S5P_GPIOINT_GROUP_COUNT)
return -ENOMEM;
list_for_each_entry(bank, &banks, list) {
if (group >= bank->start &&
group < bank->start + bank->nr_groups)
list_for_each_entry(b, &banks, list) {
if (group >= b->start && group < b->start + b->nr_groups) {
bank = b;
break;
}
}
if (!bank)
return -EINVAL;