1 files changed, 4 insertions, 2 deletions

diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c
index 9265014cb4db..e5db9b00751b 100644
--- a/kernel/time/alarmtimer.c
+++ b/kernel/time/alarmtimer.c
@@ -669,11 +669,13 @@ static int __init has_wakealarm(struct device *dev, void *name_ptr)
  */
 static int __init alarmtimer_init_late(void)
 {
+        struct device *dev;
         char *str;
 
         /* Find an rtc device and init the rtc_timer */
-        class_find_device(rtc_class, NULL, &str, has_wakealarm);
-        if (str)
+        dev = class_find_device(rtc_class, NULL, &str, has_wakealarm);
+        /* If we have a device then str is valid. See has_wakealarm() */
+        if (dev)
                 rtcdev = rtc_class_open(str);
         if (!rtcdev) {
                 printk(KERN_WARNING "No RTC device found, ALARM timers will"