[PATCH 14/18] Yama: Initialize as LSM_TYPE_MINOR

From: Kees Cook
Date: Sat Sep 15 2018 - 20:31:21 EST


This converts Yama to use the new LSM_TYPE_MINOR marking.

Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
include/linux/lsm_hooks.h | 5 -----
security/security.c | 1 -
security/yama/yama_lsm.c | 8 +++++++-
3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h
index 5e0ca4a05091..0564153130c8 100644
--- a/include/linux/lsm_hooks.h
+++ b/include/linux/lsm_hooks.h
@@ -2102,10 +2102,5 @@ static inline void security_delete_hooks(struct security_hook_list *hooks,
#endif /* CONFIG_SECURITY_WRITABLE_HOOKS */

extern void __init capability_add_hooks(void);
-#ifdef CONFIG_SECURITY_YAMA
-extern void __init yama_add_hooks(void);
-#else
-static inline void __init yama_add_hooks(void) { }
-#endif

#endif /* ! __LINUX_LSM_HOOKS_H */
diff --git a/security/security.c b/security/security.c
index 65d7ba1bc1ef..c6ca07fc0771 100644
--- a/security/security.c
+++ b/security/security.c
@@ -125,7 +125,6 @@ int __init security_init(void)
* Load minor LSMs, with the capability module always first.
*/
capability_add_hooks();
- yama_add_hooks();
lsm_init(LSM_TYPE_MINOR);

/*
diff --git a/security/yama/yama_lsm.c b/security/yama/yama_lsm.c
index ffda91a4a1aa..e970917926d9 100644
--- a/security/yama/yama_lsm.c
+++ b/security/yama/yama_lsm.c
@@ -477,9 +477,15 @@ static void __init yama_init_sysctl(void)
static inline void yama_init_sysctl(void) { }
#endif /* CONFIG_SYSCTL */

-void __init yama_add_hooks(void)
+static int __init yama_init(void)
{
pr_info("Yama: becoming mindful.\n");
security_add_hooks(yama_hooks, ARRAY_SIZE(yama_hooks), "yama");
yama_init_sysctl();
+ return 0;
}
+
+DEFINE_LSM(yama)
+ .type = LSM_TYPE_MINOR,
+ .init = yama_init,
+END_LSM;
--
2.17.1