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cgroup: remove extra cgroup_migrate_finish() call

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The callers of cgroup_migrate_prepare_dst() correctly call
cgroup_migrate_finish() for success and failure cases both. No need to
call it in cgroup_migrate_prepare_dst() in failure case.

Signed-off-by: Shakeel Butt <shakeelb@google.com>
Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Shakeel Butt 2019-04-03 16:03:54 -07:00 committed by Tejun Heo
parent 145f47c738
commit d6e486ee0e
1 changed files with 1 additions and 4 deletions
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5
kernel/cgroup/cgroup.c
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@ -2602,7 +2602,7 @@ int cgroup_migrate_prepare_dst(struct cgroup_mgctx *mgctx)
dst_cset = find_css_set(src_cset, src_cset->mg_dst_cgrp);
if (!dst_cset)
goto err;
return -ENOMEM;
WARN_ON_ONCE(src_cset->mg_dst_cset || dst_cset->mg_dst_cset);
@ -2634,9 +2634,6 @@ int cgroup_migrate_prepare_dst(struct cgroup_mgctx *mgctx)
}
return 0;
err:
cgroup_migrate_finish(mgctx);
return -ENOMEM;
}
/**