regulator: add check index of wm8350->pmic.pdev[]

Ensure that reg is within the bounds of array wm8350->pmic.pdev[].

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
This commit is contained in:
Roel Kluin 2009-06-15 22:30:39 +02:00 committed by Liam Girdwood
parent 43c1266ce4
commit 4dee4d441d

View File

@ -1419,6 +1419,8 @@ int wm8350_register_regulator(struct wm8350 *wm8350, int reg,
{
struct platform_device *pdev;
int ret;
if (reg < 0 || reg >= NUM_WM8350_REGULATORS)
return -EINVAL;
if (wm8350->pmic.pdev[reg])
return -EBUSY;