diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c
index 4dae241e501734f66c9080283a0c43188729b0b5..dd362c1078e1438b3751ec69dc1c8b1ad3efa0bb 100644
--- a/drivers/mfd/twl4030-power.c
+++ b/drivers/mfd/twl4030-power.c
@@ -159,7 +159,7 @@ static int twl4030_write_script_ins(u8 address, u16 pmb_message,
 static int twl4030_write_script(u8 address, struct twl4030_ins *script,
 				       int len)
 {
-	int err;
+	int err = -EINVAL;
 
 	for (; len; len--, address++, script++) {
 		if (len == 1) {