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kernel/cgroup: cleanup cgroup_base_files when fail to add cgroup_psi_files

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Even though css_clear_dir would be called to cleanup
all existing cgroup files when css_populate_dir failed,
reclaiming newly created cgroup files before
css_populate_dir returns with failure makes code more
consistent.

Signed-off-by: David Wang <00107082@163.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
David Wang 2024-05-17 14:24:05 +08:00 committed by Tejun Heo
parent 9f34c56602
commit a8d55ff5f3
1 changed files with 4 additions and 1 deletions
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5
kernel/cgroup/cgroup.c
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@ -1744,8 +1744,11 @@ static int css_populate_dir(struct cgroup_subsys_state *css)
if (cgroup_psi_enabled()) {
ret = cgroup_addrm_files(css, cgrp,
cgroup_psi_files, true);
if (ret < 0)
if (ret < 0) {
cgroup_addrm_files(css, cgrp,
cgroup_base_files, false);
return ret;
}
}
} else {
ret = cgroup_addrm_files(css, cgrp,