diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index f28b458..cae212f 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -756,11 +756,9 @@
 		irq_handler_t rtc_cmos_int_handler;
 
 		if (is_hpet_enabled()) {
-			int err;
-
 			rtc_cmos_int_handler = hpet_rtc_interrupt;
-			err = hpet_register_irq_handler(cmos_interrupt);
-			if (err != 0) {
+			retval = hpet_register_irq_handler(cmos_interrupt);
+			if (retval) {
 				dev_warn(dev, "hpet_register_irq_handler "
 						" failed in rtc_init().");
 				goto cleanup1;