diff options
Diffstat (limited to 'kernel/sched/debug.c')
| -rw-r--r-- | kernel/sched/debug.c | 31 |
1 files changed, 15 insertions, 16 deletions
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index e593b4118578..c96e89cc4bc7 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -111,20 +111,19 @@ static int sched_feat_set(char *cmp) cmp += 3; } - for (i = 0; i < __SCHED_FEAT_NR; i++) { - if (strcmp(cmp, sched_feat_names[i]) == 0) { - if (neg) { - sysctl_sched_features &= ~(1UL << i); - sched_feat_disable(i); - } else { - sysctl_sched_features |= (1UL << i); - sched_feat_enable(i); - } - break; - } + i = match_string(sched_feat_names, __SCHED_FEAT_NR, cmp); + if (i < 0) + return i; + + if (neg) { + sysctl_sched_features &= ~(1UL << i); + sched_feat_disable(i); + } else { + sysctl_sched_features |= (1UL << i); + sched_feat_enable(i); } - return i; + return 0; } static ssize_t @@ -133,7 +132,7 @@ sched_feat_write(struct file *filp, const char __user *ubuf, { char buf[64]; char *cmp; - int i; + int ret; struct inode *inode; if (cnt > 63) @@ -148,10 +147,10 @@ sched_feat_write(struct file *filp, const char __user *ubuf, /* Ensure the static_key remains in a consistent state */ inode = file_inode(filp); inode_lock(inode); - i = sched_feat_set(cmp); + ret = sched_feat_set(cmp); inode_unlock(inode); - if (i == __SCHED_FEAT_NR) - return -EINVAL; + if (ret < 0) + return ret; *ppos += cnt; |