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cpuset: fix missing error return in update_cpumask

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The commit c636673980 ("cpuset: refactor cpus_allowed_validate_change")
inadvertently removed the error return when cpus_allowed_validate_change()
fails. This patch restores the proper error handling by returning retval
when the validation check fails.

Fixes: c636673980 ("cpuset: refactor cpus_allowed_validate_change")
Signed-off-by: Chen Ridong <chenridong@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Chen Ridong
2025-09-19 06:43:27 -10:00
committed by Tejun Heo
parent 59d5de3655
commit 51840f7ba3
1 changed files with 2 additions and 1 deletions
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kernel/cgroup/cpuset.c
+2 -1
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@@ -2515,7 +2515,8 @@ static int update_cpumask(struct cpuset *cs, struct cpuset *trialcs,
compute_trialcs_excpus(trialcs, cs);
trialcs->prs_err = PERR_NONE;
if (cpus_allowed_validate_change(cs, trialcs, &tmp) < 0)
retval = cpus_allowed_validate_change(cs, trialcs, &tmp);
if (retval < 0)
goto out_free;
/*