Linux-libre 4.3.2-gnu

2 files changed, 11 insertions, 31 deletions

diff --git a/security/yama/Kconfig b/security/yama/Kconfig
index 3123e1da2..90c605eea 100644
--- a/security/yama/Kconfig
+++ b/security/yama/Kconfig
@@ -6,14 +6,7 @@ config SECURITY_YAMA
 	  This selects Yama, which extends DAC support with additional
 	  system-wide security settings beyond regular Linux discretionary
 	  access controls. Currently available is ptrace scope restriction.
+	  Like capabilities, this security module stacks with other LSMs.
 	  Further information can be found in Documentation/security/Yama.txt.
 
 	  If you are unsure how to answer this question, answer N.
-
-config SECURITY_YAMA_STACKED
-	bool "Yama stacked with other LSMs"
-	depends on SECURITY_YAMA
-	default n
-	help
-	  When Yama is built into the kernel, force it to stack with the
-	  selected primary LSM.
diff --git a/security/yama/yama_lsm.c b/security/yama/yama_lsm.c
index 5ebb89687..d3c19c970 100644
--- a/security/yama/yama_lsm.c
+++ b/security/yama/yama_lsm.c
@@ -353,11 +353,6 @@ static struct security_hook_list yama_hooks[] = {
 	LSM_HOOK_INIT(task_free, yama_task_free),
 };
 
-void __init yama_add_hooks(void)
-{
-	security_add_hooks(yama_hooks, ARRAY_SIZE(yama_hooks));
-}
-
 #ifdef CONFIG_SYSCTL
 static int yama_dointvec_minmax(struct ctl_table *table, int write,
 				void __user *buffer, size_t *lenp, loff_t *ppos)
@@ -396,26 +391,18 @@ static struct ctl_table yama_sysctl_table[] = {
 	},
 	{ }
 };
-#endif /* CONFIG_SYSCTL */
-
-static __init int yama_init(void)
+static void __init yama_init_sysctl(void)
 {
-#ifndef CONFIG_SECURITY_YAMA_STACKED
-	/*
-	 * If yama is being stacked this is already taken care of.
-	 */
-	if (!security_module_enable("yama"))
-		return 0;
-	yama_add_hooks();
-#endif
-	pr_info("Yama: becoming mindful.\n");
-
-#ifdef CONFIG_SYSCTL
 	if (!register_sysctl_paths(yama_sysctl_path, yama_sysctl_table))
 		panic("Yama: sysctl registration failed.\n");
-#endif
-
-	return 0;
 }
+#else
+static inline void yama_init_sysctl(void) { }
+#endif /* CONFIG_SYSCTL */
 
-security_initcall(yama_init);
+void __init yama_add_hooks(void)
+{
+	pr_info("Yama: becoming mindful.\n");
+	security_add_hooks(yama_hooks, ARRAY_SIZE(yama_hooks));
+	yama_init_sysctl();
+}