cgroup: Fixes for v6.8-rc7

Two cpuset fixes. Both are for bugs in error handling paths and low risk.
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Merge tag 'cgroup-for-6.8-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup

Pull cgroup fixes from Tejun Heo:
 "Two cpuset fixes. Both are for bugs in error handling paths and low
  risk"

* tag 'cgroup-for-6.8-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
  cgroup/cpuset: Fix retval in update_cpumask()
  cgroup/cpuset: Fix a memory leak in update_exclusive_cpumask()
This commit is contained in:
Linus Torvalds 2024-03-05 14:00:22 -08:00
commit 5847c9777c

View file

@ -2562,7 +2562,7 @@ static int update_cpumask(struct cpuset *cs, struct cpuset *trialcs,
update_partition_sd_lb(cs, old_prs);
out_free:
free_cpumasks(NULL, &tmp);
return 0;
return retval;
}
/**
@ -2598,9 +2598,6 @@ static int update_exclusive_cpumask(struct cpuset *cs, struct cpuset *trialcs,
if (cpumask_equal(cs->exclusive_cpus, trialcs->exclusive_cpus))
return 0;
if (alloc_cpumasks(NULL, &tmp))
return -ENOMEM;
if (*buf)
compute_effective_exclusive_cpumask(trialcs, NULL);
@ -2615,6 +2612,9 @@ static int update_exclusive_cpumask(struct cpuset *cs, struct cpuset *trialcs,
if (retval)
return retval;
if (alloc_cpumasks(NULL, &tmp))
return -ENOMEM;
if (old_prs) {
if (cpumask_empty(trialcs->effective_xcpus)) {
invalidate = true;