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authorAxel Lin <axel.lin@gmail.com>2010-08-04 14:34:10 +0800
committerLiam Girdwood <lrg@slimlogic.co.uk>2010-08-11 11:38:02 +0100
commit1b69d8e3fde65ab2b7c5e1d4adee59e8a67b0b4f (patch)
tree3cde765db7444f0c3d2964f4b6a6a7b3ad08c743 /drivers/regulator/max8998.c
parent4cc2e3934bd74afbdff595ad2183e8aa25d0a0f2 (diff)
downloadlinux-1b69d8e3fde65ab2b7c5e1d4adee59e8a67b0b4f.tar.bz2
max8998: fix off-by-one value range checking
In max8998_list_voltage() and max8998_set_voltage(), we use ldo as array index of ldo_voltage_map. Thus the valid range should be 0 .. ARRAY_SIZE(ldo_voltage_map)-1. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
Diffstat (limited to 'drivers/regulator/max8998.c')
-rw-r--r--drivers/regulator/max8998.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c
index 03e55a18a2ad..ab67298799f9 100644
--- a/drivers/regulator/max8998.c
+++ b/drivers/regulator/max8998.c
@@ -119,7 +119,7 @@ static int max8998_list_voltage(struct regulator_dev *rdev,
int ldo = max8998_get_ldo(rdev);
int val;
- if (ldo > ARRAY_SIZE(ldo_voltage_map))
+ if (ldo >= ARRAY_SIZE(ldo_voltage_map))
return -EINVAL;
desc = ldo_voltage_map[ldo];
@@ -306,7 +306,7 @@ static int max8998_set_voltage(struct regulator_dev *rdev,
u8 val;
bool en_ramp = false;
- if (ldo > ARRAY_SIZE(ldo_voltage_map))
+ if (ldo >= ARRAY_SIZE(ldo_voltage_map))
return -EINVAL;
desc = ldo_voltage_map[ldo];