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| author | Mark Brown <broonie@kernel.org> | 2021-10-18 13:51:43 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-10-18 13:51:43 +0100 |
| commit | ed96f35cecb0a7d1d95bbba8b9f212e60d0f7480 (patch) | |
| tree | 15fe5f3dc395c3b1e713ad52bcd529b1a343cfe2 /kernel/sched/debug.c | |
| parent | 72bf80cf09c4693780ad93a31b48fa5a4e17a946 (diff) | |
| parent | 519d81956ee277b4419c723adfb154603c2565ba (diff) | |
| download | linux-stable-ed96f35cecb0a7d1d95bbba8b9f212e60d0f7480.tar.gz linux-stable-ed96f35cecb0a7d1d95bbba8b9f212e60d0f7480.tar.bz2 linux-stable-ed96f35cecb0a7d1d95bbba8b9f212e60d0f7480.zip | |
Merge tag 'v5.15-rc6' into regulator-5.16
Linux 5.15-rc6
Diffstat (limited to 'kernel/sched/debug.c')
| -rw-r--r-- | kernel/sched/debug.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 49716228efb4..17a653b67006 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -173,16 +173,22 @@ static ssize_t sched_scaling_write(struct file *filp, const char __user *ubuf, size_t cnt, loff_t *ppos) { char buf[16]; + unsigned int scaling; if (cnt > 15) cnt = 15; if (copy_from_user(&buf, ubuf, cnt)) return -EFAULT; + buf[cnt] = '\0'; - if (kstrtouint(buf, 10, &sysctl_sched_tunable_scaling)) + if (kstrtouint(buf, 10, &scaling)) return -EINVAL; + if (scaling >= SCHED_TUNABLESCALING_END) + return -EINVAL; + + sysctl_sched_tunable_scaling = scaling; if (sched_update_scaling()) return -EINVAL; |