sunrpc: propagate umode_t

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index 72ad836..03b56bc 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -1778,7 +1778,7 @@
 };
 
 int sunrpc_cache_register_pipefs(struct dentry *parent,
-				 const char *name, mode_t umode,
+				 const char *name, umode_t umode,
 				 struct cache_detail *cd)
 {
 	struct qstr q;