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authorMarek Szyprowski <m.szyprowski@samsung.com>2011-09-26 13:16:45 +0900
committerKukjin Kim <kgene.kim@samsung.com>2011-09-26 13:17:41 +0900
commitb76f7cdca5af18fa7a59a5c8a9eb5e02418e827a (patch)
tree251dce7282c2194734719b0802c568a268d31b73 /arch
parent4344646ff127eaea4d58266ccd8fdd2a38fb9672 (diff)
downloadlinux-b76f7cdca5af18fa7a59a5c8a9eb5e02418e827a.tar.gz
ARM: S5P: fix incorrect loop iterator usage on gpio-interrupt
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/plat-s5p/irq-gpioint.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/arm/plat-s5p/irq-gpioint.c b/arch/arm/plat-s5p/irq-gpioint.c
index f71078ef6bb..f88216d2399 100644
--- a/arch/arm/plat-s5p/irq-gpioint.c
+++ b/arch/arm/plat-s5p/irq-gpioint.c
@@ -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;