diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index c85109d..078eb16 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -222,7 +222,7 @@
 	}
 }
 
-static unsigned int
+static int
 p9_fd_poll(struct p9_client *client, struct poll_table_struct *pt)
 {
 	int ret, n;