Remove the static from int hardlink_check_uid.
There is an external use in the opensolaris code. I am not sure how this ever worked but I have seen two reports of: link_elf: symbol hardlink_check_uid undefined lately. Reported by: Scott Ullrich (sullrich gmail.com), pfsense Reported by: Mister Olli (mister.olli googlemail.com)
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@ -1507,7 +1507,7 @@ linkat(struct thread *td, struct linkat_args *uap)
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UIO_USERSPACE, (flag & AT_SYMLINK_FOLLOW) ? FOLLOW : NOFOLLOW));
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}
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static int hardlink_check_uid = 0;
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int hardlink_check_uid = 0;
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SYSCTL_INT(_security_bsd, OID_AUTO, hardlink_check_uid, CTLFLAG_RW,
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&hardlink_check_uid, 0,
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"Unprivileged processes cannot create hard links to files owned by other "
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