1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index 86c61f143515..f677e0710ca1 100644
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -18,6 +18,7 @@
 #include <linux/rtc.h>
 #include <linux/interrupt.h>
 #include <linux/ioctl.h>
+#include <linux/slab.h>
 
 #include <mach/board.h>
 #include <mach/at91_rtt.h>
@@ -161,7 +162,7 @@ static int at91_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
         if (offset == 0)
                 return -EILSEQ;
 
-        memset(alrm, 0, sizeof(alrm));
+        memset(alrm, 0, sizeof(*alrm));
         if (alarm != ALARM_DISABLED && offset != 0) {
                 rtc_time_to_tm(offset + alarm, tm);