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authorIngo Molnar <[email protected]>2021-10-16 15:17:46 +0200
committerIngo Molnar <[email protected]>2021-10-16 15:17:46 +0200
commit082f20b21de20285da2cbfc1be29656f0714c1b8 (patch)
tree6170af99f1491fe256351b9cf92725dbda79c153 /kernel/sched/debug.c
parent724fc0248d450224b19ef5b5ee41e392348f6704 (diff)
parentb2381acd3fd9bacd2c63f53b2c610c89959b31cc (diff)
Merge branch 'x86/urgent' into x86/fpu, to resolve a conflict
Resolve the conflict between these commits: x86/fpu: 1193f408cd51 ("x86/fpu/signal: Change return type of __fpu_restore_sig() to boolean") x86/urgent: d298b03506d3 ("x86/fpu: Restore the masking out of reserved MXCSR bits") b2381acd3fd9 ("x86/fpu: Mask out the invalid MXCSR bits properly") Conflicts: arch/x86/kernel/fpu/signal.c Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'kernel/sched/debug.c')
-rw-r--r--kernel/sched/debug.c8
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;