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authorWei Yang <richard.weiyang@gmail.com>2021-12-25 00:09:31 +0000
committerTejun Heo <tj@kernel.org>2022-01-06 11:10:06 -1000
commit0da41f7348fff193d01d031ce255088fa98324b7 (patch)
tree5cbbda35d65f186116a02a998413a553f0f0fb9f /kernel/cgroup
parent1815775e74541d7b498c0baf15726ad3d1247abf (diff)
cgroup: rstat: explicitly put loop variant in while
Instead of do while unconditionally, let's put the loop variant in while. Signed-off-by: Wei Yang <richard.weiyang@gmail.com> Reviewed-by: Michal Koutný <mkoutny@suse.com> Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'kernel/cgroup')
-rw-r--r--kernel/cgroup/rstat.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/kernel/cgroup/rstat.c b/kernel/cgroup/rstat.c
index 1abe74114527..bc6993258271 100644
--- a/kernel/cgroup/rstat.c
+++ b/kernel/cgroup/rstat.c
@@ -124,12 +124,10 @@ static struct cgroup *cgroup_rstat_cpu_pop_updated(struct cgroup *pos,
prstatc = cgroup_rstat_cpu(parent, cpu);
nextp = &prstatc->updated_children;
- while (true) {
+ while (*nextp != pos) {
struct cgroup_rstat_cpu *nrstatc;
nrstatc = cgroup_rstat_cpu(*nextp, cpu);
- if (*nextp == pos)
- break;
WARN_ON_ONCE(*nextp == parent);
nextp = &nrstatc->updated_next;
}