1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c
index 17a00b0fafd1..768bd0e5b48b 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;