diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index 6216eba2e38f..5181bf551f3c 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -218,9 +218,10 @@ efi_gettimeofday (struct timespec *ts)
 {
 	efi_time_t tm;
 
-	memset(ts, 0, sizeof(ts));
-	if ((*efi.get_time)(&tm, NULL) != EFI_SUCCESS)
+	if ((*efi.get_time)(&tm, NULL) != EFI_SUCCESS) {
+		memset(ts, 0, sizeof(*ts));
 		return;
+	}
 
 	ts->tv_sec = mktime(tm.year, tm.month, tm.day, tm.hour, tm.minute, tm.second);
 	ts->tv_nsec = tm.nanosecond;