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Subject: [PATCH v5 19/38] capability: Initialize as LSM_ORDER_FIRST
To:     James Morris <jmorris@namei.org>,
        LSM <linux-security-module@vger.kernel.org>,
        LKLM <linux-kernel@vger.kernel.org>,
        SE Linux <selinux@tycho.nsa.gov>
Cc:     John Johansen <john.johansen@canonical.com>,
        Kees Cook <keescook@chromium.org>,
        Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
        Paul Moore <paul@paul-moore.com>,
        "linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
        Stephen Smalley <sds@tycho.nsa.gov>,
        Alexey Dobriyan <adobriyan@gmail.com>,
        =?UTF-8?Q?Micka=c3=abl_Sala=c3=bcn?= <mic@digikod.net>,
        Salvatore Mesoraca <s.mesoraca16@gmail.com>
References: <50db058a-7dde-441b-a7f9-f6837fe8b69f@schaufler-ca.com>
From:   Casey Schaufler <casey@schaufler-ca.com>
Message-ID: <147e1a0c-3d18-c467-8f5a-6559cfcf818c@schaufler-ca.com>
Date:   Mon, 26 Nov 2018 15:41:11 -0800
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This converts capabilities to use the new LSM_ORDER_FIRST position.

Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Casey Schaufler <casey@schaufler-ca.com>
---
 include/linux/lsm_hooks.h | 2 --
 security/commoncap.c      | 9 ++++++++-
 security/security.c       | 5 -----
 3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h
index 83858e3df9e5..15fc49ee41a1 100644
--- a/include/linux/lsm_hooks.h
+++ b/include/linux/lsm_hooks.h
@@ -2092,6 +2092,4 @@ static inline void security_delete_hooks(struct security_hook_list *hooks,
 #define __lsm_ro_after_init	__ro_after_init
 #endif /* CONFIG_SECURITY_WRITABLE_HOOKS */
 
-extern void __init capability_add_hooks(void);
-
 #endif /* ! __LINUX_LSM_HOOKS_H */
diff --git a/security/commoncap.c b/security/commoncap.c
index 18a4fdf6f6eb..ec387535e597 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -1363,10 +1363,17 @@ struct security_hook_list capability_hooks[] __lsm_ro_after_init = {
 	LSM_HOOK_INIT(vm_enough_memory, cap_vm_enough_memory),
 };
 
-void __init capability_add_hooks(void)
+static int __init capability_init(void)
 {
 	security_add_hooks(capability_hooks, ARRAY_SIZE(capability_hooks),
 				"capability");
+	return 0;
 }
 
+DEFINE_LSM(capability) = {
+	.name = "capability",
+	.order = LSM_ORDER_FIRST,
+	.init = capability_init,
+};
+
 #endif /* CONFIG_SECURITY */
diff --git a/security/security.c b/security/security.c
index 701507174f40..eab64bdc60fb 100644
--- a/security/security.c
+++ b/security/security.c
@@ -277,11 +277,6 @@ int __init security_init(void)
 	     i++)
 		INIT_HLIST_HEAD(&list[i]);
 
-	/*
-	 * Load minor LSMs, with the capability module always first.
-	 */
-	capability_add_hooks();
-
 	/* Load LSMs in specified order. */
 	ordered_lsm_init();
 
-- 
2.14.5