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-rw-r--r--kernel/sched/rt.c5
-rw-r--r--kernel/sysctl.c5
2 files changed, 6 insertions, 4 deletions
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index 2ea4da8c5f3a..deb9366e4f30 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -2658,9 +2658,6 @@ 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))
return -EINVAL;
@@ -2690,7 +2687,7 @@ int sched_rt_handler(struct ctl_table *table, int write,
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 4bb194f096ec..6ce9f10b9c7d 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -127,6 +127,7 @@ static int zero;
static int __maybe_unused one = 1;
static int __maybe_unused two = 2;
static int __maybe_unused four = 4;
+static int int_max = INT_MAX;
static unsigned long zero_ul;
static unsigned long one_ul = 1;
static unsigned long long_max = LONG_MAX;
@@ -464,6 +465,8 @@ static struct ctl_table kern_table[] = {
.maxlen = sizeof(unsigned int),
.mode = 0644,
.proc_handler = sched_rt_handler,
+ .extra1 = &one,
+ .extra2 = &int_max,
},
{
.procname = "sched_rt_runtime_us",
@@ -471,6 +474,8 @@ static struct ctl_table kern_table[] = {
.maxlen = sizeof(int),
.mode = 0644,
.proc_handler = sched_rt_handler,
+ .extra1 = &neg_one,
+ .extra2 = &int_max,
},
{
.procname = "sched_rr_timeslice_ms",