poll: plug an unused argument to do_poll

Number of fds is already known based on passed list.

No functional changes.

Signed-off-by: Mateusz Guzik <mguzik@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/select.c b/fs/select.c
index 0155473..79d0d49 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -778,8 +778,8 @@
 	return mask;
 }
 
-static int do_poll(unsigned int nfds,  struct poll_list *list,
-		   struct poll_wqueues *wait, struct timespec *end_time)
+static int do_poll(struct poll_list *list, struct poll_wqueues *wait,
+		   struct timespec *end_time)
 {
 	poll_table* pt = &wait->pt;
 	ktime_t expire, *to = NULL;
@@ -908,7 +908,7 @@
 	}
 
 	poll_initwait(&table);
-	fdcount = do_poll(nfds, head, &table, end_time);
+	fdcount = do_poll(head, &table, end_time);
 	poll_freewait(&table);
 
 	for (walk = head; walk; walk = walk->next) {