diff --git a/net/socket.c b/net/socket.c
index 1310a82..8ef8ba8 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -265,7 +265,7 @@
 			container_of(inode, struct socket_alloc, vfs_inode));
 }
 
-static void init_once(struct kmem_cache *cachep, void *foo)
+static void init_once(void *foo)
 {
 	struct socket_alloc *ei = (struct socket_alloc *)foo;