diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index b05684202b20..5fc99dce5145 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -2806,9 +2806,6 @@ static int sched_rt_global_constraints(void)
 
 static int sched_rt_global_validate(void)
 {
-	if (sysctl_sched_rt_period <= 0)
-		return -EINVAL;
-
 	if ((sysctl_sched_rt_runtime != RUNTIME_INF) &&
 		((sysctl_sched_rt_runtime > sysctl_sched_rt_period) ||
 		 ((u64)sysctl_sched_rt_runtime *
@@ -2839,7 +2836,7 @@ int sched_rt_handler(struct ctl_table *table, int write, void *buffer,
 	old_period = sysctl_sched_rt_period;
 	old_runtime = sysctl_sched_rt_runtime;
 
-	ret = proc_dointvec(table, write, buffer, lenp, ppos);
+	ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
 
 	if (!ret && write) {
 		ret = sched_rt_global_validate();
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 928798f89ca1..4554e80c4272 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1821,6 +1821,8 @@ static struct ctl_table kern_table[] = {
 		.maxlen		= sizeof(unsigned int),
 		.mode		= 0644,
 		.proc_handler	= sched_rt_handler,
+		.extra1		= SYSCTL_ONE,
+		.extra2		= SYSCTL_INT_MAX,
 	},
 	{
 		.procname	= "sched_rt_runtime_us",
@@ -1828,6 +1830,8 @@ static struct ctl_table kern_table[] = {
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= sched_rt_handler,
+		.extra1		= SYSCTL_NEG_ONE,
+		.extra2		= SYSCTL_INT_MAX,
 	},
 	{
 		.procname	= "sched_deadline_period_max_us",