diff --git a/kernel/time.c b/kernel/time.c
index 7477b1d2079e32a614ea82e6ae21fde3abe48373..1f23e683d6aa01da497a86a8cd5ac6804ef5d6fe 100644
--- a/kernel/time.c
+++ b/kernel/time.c
@@ -155,7 +155,7 @@ int do_sys_settimeofday(struct timespec *tv, struct timezone *tz)
 	static int firsttime = 1;
 	int error = 0;
 
-	if (!timespec_valid(tv))
+	if (tv && !timespec_valid(tv))
 		return -EINVAL;
 
 	error = security_settime(tv, tz);
diff --git a/security/seclvl.c b/security/seclvl.c
index 1caac0164643c202a55c1e8394b9669706723591..8529ea6f7aa83437174727478988702d4e9db89b 100644
--- a/security/seclvl.c
+++ b/security/seclvl.c
@@ -368,8 +368,8 @@ static int seclvl_capable(struct task_struct *tsk, int cap)
  */
 static int seclvl_settime(struct timespec *tv, struct timezone *tz)
 {
-	struct timespec now;
-	if (seclvl > 1) {
+	if (tv && seclvl > 1) {
+		struct timespec now;
 		now = current_kernel_time();
 		if (tv->tv_sec < now.tv_sec ||
 		    (tv->tv_sec == now.tv_sec && tv->tv_nsec < now.tv_nsec)) {