apparmor: rename PFLAG_INVALID to PFLAG_STALE

Invalid does not convey the meaning of the flag anymore so rename it.
Signed-off-by: John Johansen <john.johansen@canonical.com>

security/apparmor/include/context.h

@@ -152,7 +152,7 @@ static inline struct aa_profile *aa_current_profile(void)
 	struct aa_profile *profile;
 	BUG_ON(!cxt || !cxt->profile);
 
-	if (PROFILE_INVALID(cxt->profile)) {
+	if (profile_is_stale(cxt->profile)) {
 		profile = aa_get_newest_profile(cxt->profile);
 		aa_replace_current_profile(profile);
 		aa_put_profile(profile);

security/apparmor/include/policy.h

@@ -46,7 +46,7 @@ extern const char *const aa_profile_mode_names[];
 
 #define PROFILE_IS_HAT(_profile) ((_profile)->flags & PFLAG_HAT)
 
-#define PROFILE_INVALID(_profile) ((_profile)->flags & PFLAG_INVALID)
+#define profile_is_stale(_profile) ((_profile)->flags & PFLAG_STALE)
 
 #define on_list_rcu(X) (!list_empty(X) && (X)->prev != LIST_POISON2)
 
@@ -71,7 +71,7 @@ enum profile_flags {
 	PFLAG_USER_DEFINED = 0x20,	/* user based profile - lower privs */
 	PFLAG_NO_LIST_REF = 0x40,	/* list doesn't keep profile ref */
 	PFLAG_OLD_NULL_TRANS = 0x100,	/* use // as the null transition */
-	PFLAG_INVALID = 0x200,		/* profile replaced/removed */
+	PFLAG_STALE = 0x200,		/* profile replaced/removed */
 	PFLAG_NS_COUNT = 0x400,		/* carries NS ref count */
 
 	/* These flags must correspond with PATH_flags */
@@ -253,7 +253,7 @@ static inline struct aa_profile *aa_get_newest_profile(struct aa_profile *p)
 	if (!p)
 		return NULL;
 
-	if (PROFILE_INVALID(p))
+	if (profile_is_stale(p))
 		return aa_get_profile_rcu(&p->replacedby->profile);
 
 	return aa_get_profile(p);

security/apparmor/policy.c

@@ -106,7 +106,7 @@ void __aa_update_replacedby(struct aa_profile *orig, struct aa_profile *new)
 	tmp = rcu_dereference_protected(orig->replacedby->profile,
 					mutex_is_locked(&orig->ns->lock));
 	rcu_assign_pointer(orig->replacedby->profile, aa_get_profile(new));
-	orig->flags |= PFLAG_INVALID;
+	orig->flags |= PFLAG_STALE;
 	aa_put_profile(tmp);
 }