[PATCH 1/2] cgroup: rstat: explicitly put loop variant in while
STALE1731d
From: Wei Yang <hidden>
Date: 2021-12-25 00:09:48
Also in:
lkml
Subsystem:
control group (cgroup), the rest · Maintainers:
Tejun Heo, Johannes Weiner, Michal Koutný, Linus Torvalds
Instead of do while unconditionally, let's put the loop variant in while. Signed-off-by: Wei Yang <redacted> --- kernel/cgroup/rstat.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/kernel/cgroup/rstat.c b/kernel/cgroup/rstat.c
index 1486768f2318..a9d344e0521d 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; }
--
2.33.1