diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 7eea1f809fbe72a318e7b03c2769b1d2b2782ba8..c7016a4acb562b6f2284d24b8c7aae09167223aa 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -7026,7 +7026,7 @@ int tg_set_affinity_period(struct task_group *tg, u64 period_ms)
 	if (unlikely(!tg->auto_affinity))
 		return -EPERM;
 
-	if (period_ms > U64_MAX / NSEC_PER_MSEC)
+	if (!period_ms || period_ms > U64_MAX / NSEC_PER_MSEC)
 		return -EINVAL;
 
 	raw_spin_lock_irq(&tg->auto_affinity->lock);
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 592440a2d5db09db324b118a11cdf37522561a2e..c7064f67f4a53d0fdb3e99704153fce0bee0a2c7 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -139,7 +139,7 @@ static int one_thousand = 1000;
 #ifdef CONFIG_PRINTK
 static int ten_thousand = 10000;
 #endif
-#ifdef CONFIG_QOS_SCHED
+#if defined(CONFIG_QOS_SCHED) || defined(CONFIG_QOS_SCHED_SMART_GRID)
 static int hundred_thousand = 100000;
 #endif
 #ifdef CONFIG_PERF_EVENTS
@@ -1343,7 +1343,9 @@ static struct ctl_table kern_table[] = {
 		.data		= &sysctl_affinity_adjust_delay_ms,
 		.maxlen		= sizeof(unsigned int),
 		.mode		= 0644,
-		.proc_handler	= proc_dointvec,
+		.proc_handler   = proc_dointvec_minmax,
+		.extra1         = &zero,
+		.extra2		= &hundred_thousand,
 	},
 #endif
 	{ }