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Subject[PATCH] 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>
---
diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c
index 771eca1..c806259 100644
--- a/drivers/regulator/wm8350-regulator.c
+++ b/drivers/regulator/wm8350-regulator.c
@@ -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;

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