Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux...

[firefly-linux-kernel-4.4.55.git] / include / linux / security.h

diff --git a/include/linux/security.h b/include/linux/security.h
index 145accee9236206d8ae79d4eb7fe0bd80c40892f..5b50c4e1a7c25eeada9bb6756e2ebee3ad8b7473 100644 (file)
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -3022,5 +3022,36 @@ static inline void free_secdata(void *secdata)
 { }
 #endif /* CONFIG_SECURITY */
 
+#ifdef CONFIG_SECURITY_YAMA
+extern int yama_ptrace_access_check(struct task_struct *child,
+                                   unsigned int mode);
+extern int yama_ptrace_traceme(struct task_struct *parent);
+extern void yama_task_free(struct task_struct *task);
+extern int yama_task_prctl(int option, unsigned long arg2, unsigned long arg3,
+                          unsigned long arg4, unsigned long arg5);
+#else
+static inline int yama_ptrace_access_check(struct task_struct *child,
+                                          unsigned int mode)
+{
+       return 0;
+}
+
+static inline int yama_ptrace_traceme(struct task_struct *parent)
+{
+       return 0;
+}
+
+static inline void yama_task_free(struct task_struct *task)
+{
+}
+
+static inline int yama_task_prctl(int option, unsigned long arg2,
+                                 unsigned long arg3, unsigned long arg4,
+                                 unsigned long arg5)
+{
+       return -ENOSYS;
+}
+#endif /* CONFIG_SECURITY_YAMA */
+
 #endif /* ! __LINUX_SECURITY_H */