mnt: Remove unneeded argument from prepare_mnt_ns

Acked-by: Andrew Vagin <avagin@parallels.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>

include/mount.h

@@ -15,7 +15,7 @@ struct cr_fdset;
 struct ns_id;
 extern struct mount_info * collect_mntinfo(struct ns_id *ns);
 extern int dump_mnt_ns(struct ns_id *ns);
-extern int prepare_mnt_ns(int pid);
+extern int prepare_mnt_ns(void);
 
 extern int pivot_root(const char *new_root, const char *put_old);
 

mount.c

@@ -1659,7 +1659,7 @@ static int prepare_roots_yard(void)
 	return 0;
 }
 
-static int populate_mnt_ns(int ns_pid, struct mount_info *mis)
+static int populate_mnt_ns(struct mount_info *mis)
 {
 	struct mount_info *pms;
 	struct ns_id *nsid;
@@ -1713,7 +1713,7 @@ int fini_mnt_ns()
 	return ret;
 }
 
-int prepare_mnt_ns(int ns_pid)
+int prepare_mnt_ns(void)
 {
 	int ret = -1;
 	struct mount_info *mis, *old;
@@ -1772,7 +1772,7 @@ int prepare_mnt_ns(int ns_pid)
 
 	free_mntinfo(old);
 
-	ret = populate_mnt_ns(ns_pid, mis);
+	ret = populate_mnt_ns(mis);
 	if (ret)
 		goto out;
 

namespaces.c

@@ -527,7 +527,7 @@ int prepare_namespace(struct pstree_item *item, unsigned long clone_flags)
 	if ((clone_flags & CLONE_NEWIPC) && prepare_ipc_ns(id))
 		return -1;
 	id = ns_per_id ? item->ids->mnt_ns_id : pid;
-	if ((clone_flags & CLONE_NEWNS)  && prepare_mnt_ns(id))
+	if ((clone_flags & CLONE_NEWNS)  && prepare_mnt_ns())
 		return -1;
 
 	return 0;