This fixes the failure path, so we won't set the visible flag though the mount is failed.
Signed-off-by: Li Zefan <[email protected]> --- kernel/cgroup.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/kernel/cgroup.c b/kernel/cgroup.c index dabc486..0b6b44e 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -1671,7 +1671,6 @@ static struct dentry *cgroup_mount(struct file_system_type *fs_type, /* look for a matching existing root */ if (!opts.subsys_mask && !opts.none && !opts.name) { - cgrp_dfl_root_visible = true; root = &cgrp_dfl_root; cgroup_get(&root->cgrp); ret = 0; @@ -1770,6 +1769,9 @@ out_free: dentry = kernfs_mount(fs_type, flags, root->kf_root, &new_sb); if (IS_ERR(dentry) || !new_sb) cgroup_put(&root->cgrp); + else if (root == &cgrp_dfl_root) + cgrp_dfl_root_visible = true; + return dentry; } -- 1.8.0.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
