commit 49990e6efe576b8707584398f93198b5aa182ab7
author Axel Lin <axel.lin@gmail.com> Sat Sep 04 23:06:41 2010 +0800
committer Liam Girdwood <lrg@slimlogic.co.uk> Sun Sep 05 11:15:52 2010 +0100
tree e2ad8126f0d930d314fb6f771c87ab4f96977924
parent d06563cb860ab594889010889a7111c9e25d1051

regulator: ab8500 - fix off-by-one value range checking for selector

selector is used as array index of info->supported_voltages
Thus the valid value range should be 0 .. info->voltages_len -1

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Mark Brown <broonie@openource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>

drivers/regulator/ab8500.c

diff --git a/drivers/regulator/ab8500.c b/drivers/regulator/ab8500.c
index 3d09580..28c7ae6 100644
--- a/drivers/regulator/ab8500.c
+++ b/drivers/regulator/ab8500.c
@@ -157,7 +157,7 @@
 	if (info->fixed_uV)
 		return info->fixed_uV;
 
-	if (selector > info->voltages_len)
+	if (selector >= info->voltages_len)
 		return -EINVAL;
 
 	return info->supported_voltages[selector];