net: simplify sock_poll_wait

The wait_address argument is always directly derived from the filp
argument, so remove it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index e5473c0..1772a0e 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -2635,7 +2635,7 @@ static __poll_t unix_poll(struct file *file, struct socket *sock, poll_table *wa
 	struct sock *sk = sock->sk;
 	__poll_t mask;
 
-	sock_poll_wait(file, sk_sleep(sk), wait);
+	sock_poll_wait(file, wait);
 	mask = 0;
 
 	/* exceptional events? */
@@ -2672,7 +2672,7 @@ static __poll_t unix_dgram_poll(struct file *file, struct socket *sock,
 	unsigned int writable;
 	__poll_t mask;
 
-	sock_poll_wait(file, sk_sleep(sk), wait);
+	sock_poll_wait(file, wait);
 	mask = 0;
 
 	/* exceptional events? */