sysfs: allow creating symlinks from untagged to tagged directories
Supporting symlinks from untagged to tagged directories is reasonable, and needed to support CONFIG_SYSFS_DEPRECATED. So don't fail a prior allowing that case to work. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -67,7 +67,8 @@ static int sysfs_do_create_link(struct kobject *kobj, struct kobject *target,
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sysfs_addrm_start(&acxt, parent_sd);
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/* Symlinks must be between directories with the same ns_type */
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if (ns_type == sysfs_ns_type(sd->s_symlink.target_sd->s_parent)) {
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if (!ns_type ||
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(ns_type == sysfs_ns_type(sd->s_symlink.target_sd->s_parent))) {
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if (warn)
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error = sysfs_add_one(&acxt, sd);
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else
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