files: Pass pstree_item argument to clone_service_fd()

Refactoring for next patches.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>

criu/cr-restore.c

@@ -1035,7 +1035,7 @@ static int restore_one_zombie(CoreEntry *core)
 
 static int setup_newborn_fds(struct pstree_item *me)
 {
-	if (clone_service_fd(rsti(me)->service_fd_id))
+	if (clone_service_fd(me))
 		return -1;
 
 	if (!me->parent ||

criu/include/servicefd.h

@@ -30,7 +30,7 @@ struct pstree_item;
 extern bool sfds_protected;
 
 extern void set_proc_self_fd(int fd);
-extern int clone_service_fd(int id);
+extern int clone_service_fd(struct pstree_item *me);
 extern int init_service_fd(void);
 extern int get_service_fd(enum sfd_type type);
 extern int install_service_fd(enum sfd_type type, int fd);

criu/util.c

@@ -542,9 +542,11 @@ int close_service_fd(enum sfd_type type)
 	return 0;
 }
 
-int clone_service_fd(int id)
+int clone_service_fd(struct pstree_item *me)
 {
-	int ret = -1, i;
+	int id, i, ret = -1;
+
+	id = rsti(me)->service_fd_id;
 
 	if (service_fd_id == id)
 		return 0;