apparmor: make __aa_path_perm() static

Make __aa_path_perm() static as it's only used inside apparmor/file.c.
Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>

security/apparmor/file.c

@@ -220,9 +220,10 @@ aa_state_t aa_str_perms(struct aa_policydb *file_rules, aa_state_t start,
 	return state;
 }
 
-int __aa_path_perm(const char *op, struct aa_profile *profile, const char *name,
-		   u32 request, struct path_cond *cond, int flags,
-		   struct aa_perms *perms)
+static int __aa_path_perm(const char *op, struct aa_profile *profile,
+			  const char *name, u32 request,
+			  struct path_cond *cond, int flags,
+			  struct aa_perms *perms)
 {
 	struct aa_ruleset *rules = list_first_entry(&profile->rules,
 						    typeof(*rules), list);

security/apparmor/include/file.h

@@ -119,9 +119,6 @@ aa_state_t aa_str_perms(struct aa_policydb *file_rules, aa_state_t start,
 			const char *name, struct path_cond *cond,
 			struct aa_perms *perms);
 
-int __aa_path_perm(const char *op, struct aa_profile *profile,
-		   const char *name, u32 request, struct path_cond *cond,
-		   int flags, struct aa_perms *perms);
 int aa_path_perm(const char *op, struct aa_label *label,
 		 const struct path *path, int flags, u32 request,
 		 struct path_cond *cond);