From: Axel Lin <axel.lin@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: Laxman Dewangan <ldewangan@nvidia.com>,
Liam Girdwood <lrg@ti.com>,
Mark Brown <broonie@opensource.wolfsonmicro.com>
Subject: [PATCH] regulator: rc5t583: Fix off-by-one valid range checking for selector
Date: Wed, 04 Apr 2012 22:38:09 +0800 [thread overview]
Message-ID: <1333550289.5856.4.camel@phoenix> (raw)
The valid selector should be 0 ... nsteps-1.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
drivers/regulator/rc5t583-regulator.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/regulator/rc5t583-regulator.c b/drivers/regulator/rc5t583-regulator.c
index cac8a2a..dc9ebb9 100644
--- a/drivers/regulator/rc5t583-regulator.c
+++ b/drivers/regulator/rc5t583-regulator.c
@@ -131,7 +131,7 @@ static int rc5t583_set_voltage_sel(struct regulator_dev *rdev,
struct rc5t583_regulator *reg = rdev_get_drvdata(rdev);
struct rc5t583_regulator_info *ri = reg->reg_info;
int ret;
- if (selector > ri->nsteps) {
+ if (selector >= ri->nsteps) {
dev_err(&rdev->dev, "Invalid selector 0x%02x\n", selector);
return -EINVAL;
}
--
1.7.5.4
next reply other threads:[~2012-04-04 14:38 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-04 14:38 Axel Lin [this message]
2012-04-05 9:48 ` [PATCH] regulator: rc5t583: Fix off-by-one valid range checking for selector Mark Brown
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