4 files changed, 17 insertions, 12 deletions

diff --git a/include/linux/cred.h b/include/linux/cred.h
index 4fa99969631..b3c76e815d6 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -186,7 +186,8 @@ static inline struct cred *get_new_cred(struct cred *cred)
  */
 static inline const struct cred *get_cred(const struct cred *cred)
 {
-	return get_new_cred((struct cred *) cred);
+	struct cred *nonconst_cred = (struct cred *) cred;
+	return get_new_cred(nonconst_cred);
 }
 
 /**
diff --git a/include/linux/lsm_audit.h b/include/linux/lsm_audit.h
index e461b2c3d71..a5514a3a4f1 100644
--- a/include/linux/lsm_audit.h
+++ b/include/linux/lsm_audit.h
@@ -66,16 +66,19 @@ struct common_audit_data {
 		} key_struct;
 #endif
 	} u;
-	const char *function;
 	/* this union contains LSM specific data */
 	union {
+#ifdef CONFIG_SECURITY_SMACK
 		/* SMACK data */
 		struct smack_audit_data {
+			const char *function;
 			char *subject;
 			char *object;
 			char *request;
 			int result;
 		} smack_audit_data;
+#endif
+#ifdef CONFIG_SECURITY_SELINUX
 		/* SELinux data */
 		struct {
 			u32 ssid;
@@ -86,7 +89,8 @@ struct common_audit_data {
 			struct av_decision *avd;
 			int result;
 		} selinux_audit_data;
-	} lsm_priv;
+#endif
+	};
 	/* these callback will be implemented by a specific LSM */
 	void (*lsm_pre_audit)(struct audit_buffer *, void *);
 	void (*lsm_post_audit)(struct audit_buffer *, void *);
@@ -104,7 +108,7 @@ int ipv6_skb_to_auditdata(struct sk_buff *skb,
 /* Initialize an LSM audit data structure. */
 #define COMMON_AUDIT_DATA_INIT(_d, _t) \
 	{ memset((_d), 0, sizeof(struct common_audit_data)); \
-	 (_d)->type = LSM_AUDIT_DATA_##_t; (_d)->function = __func__; }
+	 (_d)->type = LSM_AUDIT_DATA_##_t; }
 
 void common_lsm_audit(struct common_audit_data *a);
 
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 3ab08e4bb6b..94990a88214 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2076,7 +2076,7 @@ static inline unsigned long wait_task_inactive(struct task_struct *p,
 #define for_each_process(p) \
 	for (p = &init_task ; (p = next_task(p)) != &init_task ; )
 
-extern bool is_single_threaded(struct task_struct *);
+extern bool current_is_single_threaded(void);
 
 /*
  * Careful: do_each_thread/while_each_thread is a double loop so
diff --git a/include/linux/security.h b/include/linux/security.h
index 5eff459b383..145909165db 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -52,7 +52,7 @@ struct audit_krule;
 extern int cap_capable(struct task_struct *tsk, const struct cred *cred,
 		       int cap, int audit);
 extern int cap_settime(struct timespec *ts, struct timezone *tz);
-extern int cap_ptrace_may_access(struct task_struct *child, unsigned int mode);
+extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
 extern int cap_ptrace_traceme(struct task_struct *parent);
 extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
 extern int cap_capset(struct cred *new, const struct cred *old,
@@ -1209,7 +1209,7 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *	@alter contains the flag indicating whether changes are to be made.
  *	Return 0 if permission is granted.
  *
- * @ptrace_may_access:
+ * @ptrace_access_check:
  *	Check permission before allowing the current process to trace the
  *	@child process.
  *	Security modules may also want to perform a process tracing check
@@ -1224,7 +1224,7 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *	Check that the @parent process has sufficient permission to trace the
  *	current process before allowing the current process to present itself
  *	to the @parent process for tracing.
- *	The parent process will still have to undergo the ptrace_may_access
+ *	The parent process will still have to undergo the ptrace_access_check
  *	checks before it is allowed to trace this one.
  *	@parent contains the task_struct structure for debugger process.
  *	Return 0 if permission is granted.
@@ -1336,7 +1336,7 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
 struct security_operations {
 	char name[SECURITY_NAME_MAX + 1];
 
-	int (*ptrace_may_access) (struct task_struct *child, unsigned int mode);
+	int (*ptrace_access_check) (struct task_struct *child, unsigned int mode);
 	int (*ptrace_traceme) (struct task_struct *parent);
 	int (*capget) (struct task_struct *target,
 		       kernel_cap_t *effective,
@@ -1617,7 +1617,7 @@ extern int security_module_enable(struct security_operations *ops);
 extern int register_security(struct security_operations *ops);
 
 /* Security operations */
-int security_ptrace_may_access(struct task_struct *child, unsigned int mode);
+int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
 int security_ptrace_traceme(struct task_struct *parent);
 int security_capget(struct task_struct *target,
 		    kernel_cap_t *effective,
@@ -1798,10 +1798,10 @@ static inline int security_init(void)
 	return 0;
 }
 
-static inline int security_ptrace_may_access(struct task_struct *child,
+static inline int security_ptrace_access_check(struct task_struct *child,
 					     unsigned int mode)
 {
-	return cap_ptrace_may_access(child, mode);
+	return cap_ptrace_access_check(child, mode);
 }
 
 static inline int security_ptrace_traceme(struct task_struct *parent)