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-rw-r--r--kernel/cgroup/cgroup.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 080561bb8a4b..ef4242e5d4bc 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -2119,11 +2119,12 @@ int cgroup_do_get_tree(struct fs_context *fc)
nsdentry = kernfs_node_dentry(cgrp->kn, sb);
dput(fc->root);
- fc->root = nsdentry;
if (IS_ERR(nsdentry)) {
- ret = PTR_ERR(nsdentry);
deactivate_locked_super(sb);
+ ret = PTR_ERR(nsdentry);
+ nsdentry = NULL;
}
+ fc->root = nsdentry;
}
if (!ctx->kfc.new_sb_created)