net: annotate ->poll() instances

Signed-off-by: Al Viro <[e-mail]>

drivers/staging/irda/net/af_irda.c

···
 /*
  * Function irda_poll (file, sock, wait)
  */
-static unsigned int irda_poll(struct file * file, struct socket *sock,
+static __poll_t irda_poll(struct file * file, struct socket *sock,
 			      poll_table *wait)
 {
 	struct sock *sk = sock->sk;
 	struct irda_sock *self = irda_sk(sk);
-	unsigned int mask;
+	__poll_t mask;
 
 	poll_wait(file, sk_sleep(sk), wait);
 	mask = 0;

drivers/staging/irda/net/irnet/irnet_ppp.c

···
  * Poll : called when someone do a select on /dev/irnet.
  * Just check if there are new events...
  */
-static inline unsigned int
+static inline __poll_t
 irnet_ctrl_poll(irnet_socket *	ap,
 		struct file *	file,
 		poll_table *	wait)
 {
-  unsigned int mask;
+  __poll_t mask;
 
   DENTER(CTRL_TRACE, "(ap=0x%p)\n", ap);
 
···
 /*
  * Poll : called when someone do a select on /dev/irnet
  */
-static unsigned int
+static __poll_t
 dev_irnet_poll(struct file *	file,
 	       poll_table *	wait)
 {
   irnet_socket *	ap = file->private_data;
-  unsigned int		mask;
+  __poll_t		mask;
 
   DENTER(FS_TRACE, "(file=0x%p, ap=0x%p)\n",
 	 file, ap);

drivers/staging/irda/net/irnet/irnet_ppp.h

···
 		       char __user *,
 		       size_t,
 		       loff_t *);
-static unsigned int
+static __poll_t
 	dev_irnet_poll(struct file *,
 		       poll_table *);
 static long

include/linux/skbuff.h

···
 				    int *peeked, int *off, int *err);
 struct sk_buff *skb_recv_datagram(struct sock *sk, unsigned flags, int noblock,
 				  int *err);
-unsigned int datagram_poll(struct file *file, struct socket *sock,
+__poll_t datagram_poll(struct file *file, struct socket *sock,
 			   struct poll_table_struct *wait);
 int skb_copy_datagram_iter(const struct sk_buff *from, int offset,
 			   struct iov_iter *to, int size);

include/net/bluetooth/bluetooth.h

···
 		     int flags);
 int  bt_sock_stream_recvmsg(struct socket *sock, struct msghdr *msg,
 			    size_t len, int flags);
-uint bt_sock_poll(struct file *file, struct socket *sock, poll_table *wait);
+__poll_t bt_sock_poll(struct file *file, struct socket *sock, poll_table *wait);
 int  bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
 int  bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo);
 int  bt_sock_wait_ready(struct sock *sk, unsigned long flags);

include/net/inet_connection_sock.h

···
 /*
  * LISTEN is a special case for poll..
  */
-static inline unsigned int inet_csk_listen_poll(const struct sock *sk)
+static inline __poll_t inet_csk_listen_poll(const struct sock *sk)
 {
 	return !reqsk_queue_empty(&inet_csk(sk)->icsk_accept_queue) ?
 			(POLLIN | POLLRDNORM) : 0;

include/net/iucv/af_iucv.h

···
 	atomic_t	  autobind_name;
 };
 
-unsigned int iucv_sock_poll(struct file *file, struct socket *sock,
+__poll_t iucv_sock_poll(struct file *file, struct socket *sock,
 			    poll_table *wait);
 void iucv_sock_link(struct iucv_sock_list *l, struct sock *s);
 void iucv_sock_unlink(struct iucv_sock_list *l, struct sock *s);

include/net/sctp/sctp.h

···
 int sctp_inet_listen(struct socket *sock, int backlog);
 void sctp_write_space(struct sock *sk);
 void sctp_data_ready(struct sock *sk);
-unsigned int sctp_poll(struct file *file, struct socket *sock,
+__poll_t sctp_poll(struct file *file, struct socket *sock,
 		poll_table *wait);
 void sctp_sock_rfree(struct sk_buff *skb);
 void sctp_copy_sock(struct sock *newsk, struct sock *sk,

include/net/sock.h

···
 int sock_no_socketpair(struct socket *, struct socket *);
 int sock_no_accept(struct socket *, struct socket *, int, bool);
 int sock_no_getname(struct socket *, struct sockaddr *, int *, int);
-unsigned int sock_no_poll(struct file *, struct socket *,
+__poll_t sock_no_poll(struct file *, struct socket *,
 			  struct poll_table_struct *);
 int sock_no_ioctl(struct socket *, unsigned int, unsigned long);
 int sock_no_listen(struct socket *, int);

include/net/tcp.h

···
 void tcp_close(struct sock *sk, long timeout);
 void tcp_init_sock(struct sock *sk);
 void tcp_init_transfer(struct sock *sk, int bpf_op);
-unsigned int tcp_poll(struct file *file, struct socket *sock,
+__poll_t tcp_poll(struct file *file, struct socket *sock,
 		      struct poll_table_struct *wait);
 int tcp_getsockopt(struct sock *sk, int level, int optname,
 		   char __user *optval, int __user *optlen);

include/net/udp.h

···
 int udp_init_sock(struct sock *sk);
 int __udp_disconnect(struct sock *sk, int flags);
 int udp_disconnect(struct sock *sk, int flags);
-unsigned int udp_poll(struct file *file, struct socket *sock, poll_table *wait);
+__poll_t udp_poll(struct file *file, struct socket *sock, poll_table *wait);
 struct sk_buff *skb_udp_tunnel_segment(struct sk_buff *skb,
 				       netdev_features_t features,
 				       bool is_ipv6);

net/atm/common.c

···
 	return error;
 }
 
-unsigned int vcc_poll(struct file *file, struct socket *sock, poll_table *wait)
+__poll_t vcc_poll(struct file *file, struct socket *sock, poll_table *wait)
 {
 	struct sock *sk = sock->sk;
 	struct atm_vcc *vcc;
-	unsigned int mask;
+	__poll_t mask;
 
 	sock_poll_wait(file, sk_sleep(sk), wait);
 	mask = 0;

net/atm/common.h

···
 int vcc_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
 		int flags);
 int vcc_sendmsg(struct socket *sock, struct msghdr *m, size_t total_len);
-unsigned int vcc_poll(struct file *file, struct socket *sock, poll_table *wait);
+__poll_t vcc_poll(struct file *file, struct socket *sock, poll_table *wait);
 int vcc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
 int vcc_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
 int vcc_setsockopt(struct socket *sock, int level, int optname,

net/batman-adv/icmp_socket.c

···
 	return len;
 }
 
-static unsigned int batadv_socket_poll(struct file *file, poll_table *wait)
+static __poll_t batadv_socket_poll(struct file *file, poll_table *wait)
 {
 	struct batadv_socket_client *socket_client = file->private_data;
 

net/batman-adv/log.c

···
 	return error;
 }
 
-static unsigned int batadv_log_poll(struct file *file, poll_table *wait)
+static __poll_t batadv_log_poll(struct file *file, poll_table *wait)
 {
 	struct batadv_priv *bat_priv = file->private_data;
 	struct batadv_priv_debug_log *debug_log = bat_priv->debug_log;

net/bluetooth/af_bluetooth.c

···
 }
 EXPORT_SYMBOL(bt_sock_stream_recvmsg);
 
-static inline unsigned int bt_accept_poll(struct sock *parent)
+static inline __poll_t bt_accept_poll(struct sock *parent)
 {
 	struct bt_sock *s, *n;
 	struct sock *sk;
···
 	return 0;
 }
 
-unsigned int bt_sock_poll(struct file *file, struct socket *sock,
+__poll_t bt_sock_poll(struct file *file, struct socket *sock,
 			  poll_table *wait)
 {
 	struct sock *sk = sock->sk;
-	unsigned int mask = 0;
+	__poll_t mask = 0;
 
 	BT_DBG("sock %p, sk %p", sock, sk);
 

net/caif/caif_socket.c

···
 }
 
 /* Copied from af_unix.c:unix_poll(), added CAIF tx_flow handling */
-static unsigned int caif_poll(struct file *file,
+static __poll_t caif_poll(struct file *file,
 			      struct socket *sock, poll_table *wait)
 {
 	struct sock *sk = sock->sk;
-	unsigned int mask;
+	__poll_t mask;
 	struct caifsock *cf_sk = container_of(sk, struct caifsock, sk);
 
 	sock_poll_wait(file, sk_sleep(sk), wait);

net/core/datagram.c

···
  *	and you use a different write policy from sock_writeable()
  *	then please supply your own write_space callback.
  */
-unsigned int datagram_poll(struct file *file, struct socket *sock,
+__poll_t datagram_poll(struct file *file, struct socket *sock,
 			   poll_table *wait)
 {
 	struct sock *sk = sock->sk;
-	unsigned int mask;
+	__poll_t mask;
 
 	sock_poll_wait(file, sk_sleep(sk), wait);
 	mask = 0;

net/core/sock.c

···
 }
 EXPORT_SYMBOL(sock_no_getname);
 
-unsigned int sock_no_poll(struct file *file, struct socket *sock, poll_table *pt)
+__poll_t sock_no_poll(struct file *file, struct socket *sock, poll_table *pt)
 {
 	return 0;
 }

net/dccp/dccp.h

···
 		 int flags, int *addr_len);
 void dccp_shutdown(struct sock *sk, int how);
 int inet_dccp_listen(struct socket *sock, int backlog);
-unsigned int dccp_poll(struct file *file, struct socket *sock,
+__poll_t dccp_poll(struct file *file, struct socket *sock,
 		       poll_table *wait);
 int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len);
 void dccp_req_err(struct sock *sk, u64 seq);

net/dccp/proto.c

···
  *	take care of normal races (between the test and the event) and we don't
  *	go look at any of the socket buffers directly.
  */
-unsigned int dccp_poll(struct file *file, struct socket *sock,
+__poll_t dccp_poll(struct file *file, struct socket *sock,
 		       poll_table *wait)
 {
-	unsigned int mask;
+	__poll_t mask;
 	struct sock *sk = sock->sk;
 
 	sock_poll_wait(file, sk_sleep(sk), wait);

net/decnet/af_decnet.c

···
 }
 
 
-static unsigned int dn_poll(struct file *file, struct socket *sock, poll_table  *wait)
+static __poll_t dn_poll(struct file *file, struct socket *sock, poll_table  *wait)
 {
 	struct sock *sk = sock->sk;
 	struct dn_scp *scp = DN_SK(sk);
-	int mask = datagram_poll(file, sock, wait);
+	__poll_t mask = datagram_poll(file, sock, wait);
 
 	if (!skb_queue_empty(&scp->other_receive_queue))
 		mask |= POLLRDBAND;

net/ipv4/tcp.c

···
  *	take care of normal races (between the test and the event) and we don't
  *	go look at any of the socket buffers directly.
  */
-unsigned int tcp_poll(struct file *file, struct socket *sock, poll_table *wait)
+__poll_t tcp_poll(struct file *file, struct socket *sock, poll_table *wait)
 {
-	unsigned int mask;
+	__poll_t mask;
 	struct sock *sk = sock->sk;
 	const struct tcp_sock *tp = tcp_sk(sk);
 	int state;

net/ipv4/udp.c

···
  *	but then block when reading it. Add special case code
  *	to work around these arguably broken applications.
  */
-unsigned int udp_poll(struct file *file, struct socket *sock, poll_table *wait)
+__poll_t udp_poll(struct file *file, struct socket *sock, poll_table *wait)
 {
-	unsigned int mask = datagram_poll(file, sock, wait);
+	__poll_t mask = datagram_poll(file, sock, wait);
 	struct sock *sk = sock->sk;
 
 	if (!skb_queue_empty(&udp_sk(sk)->reader_queue))

net/iucv/af_iucv.c

···
 	return copied;
 }
 
-static inline unsigned int iucv_accept_poll(struct sock *parent)
+static inline __poll_t iucv_accept_poll(struct sock *parent)
 {
 	struct iucv_sock *isk, *n;
 	struct sock *sk;
···
 	return 0;
 }
 
-unsigned int iucv_sock_poll(struct file *file, struct socket *sock,
+__poll_t iucv_sock_poll(struct file *file, struct socket *sock,
 			    poll_table *wait)
 {
 	struct sock *sk = sock->sk;
-	unsigned int mask = 0;
+	__poll_t mask = 0;
 
 	sock_poll_wait(file, sk_sleep(sk), wait);
 

net/nfc/llcp_sock.c

···
 	return 0;
 }
 
-static inline unsigned int llcp_accept_poll(struct sock *parent)
+static inline __poll_t llcp_accept_poll(struct sock *parent)
 {
 	struct nfc_llcp_sock *llcp_sock, *parent_sock;
 	struct sock *sk;
···
 	return 0;
 }
 
-static unsigned int llcp_sock_poll(struct file *file, struct socket *sock,
+static __poll_t llcp_sock_poll(struct file *file, struct socket *sock,
 				   poll_table *wait)
 {
 	struct sock *sk = sock->sk;
-	unsigned int mask = 0;
+	__poll_t mask = 0;
 
 	pr_debug("%p\n", sk);
 

net/nfc/nci/uart.c

···
 	return 0;
 }
 
-static unsigned int nci_uart_tty_poll(struct tty_struct *tty,
+static __poll_t nci_uart_tty_poll(struct tty_struct *tty,
 				      struct file *filp, poll_table *wait)
 {
 	return 0;

net/packet/af_packet.c

···
 	return 0;
 }
 
-static unsigned int packet_poll(struct file *file, struct socket *sock,
+static __poll_t packet_poll(struct file *file, struct socket *sock,
 				poll_table *wait)
 {
 	struct sock *sk = sock->sk;
 	struct packet_sock *po = pkt_sk(sk);
-	unsigned int mask = datagram_poll(file, sock, wait);
+	__poll_t mask = datagram_poll(file, sock, wait);
 
 	spin_lock_bh(&sk->sk_receive_queue.lock);
 	if (po->rx_ring.pg_vec) {

net/phonet/socket.c

···
 	return 0;
 }
 
-static unsigned int pn_socket_poll(struct file *file, struct socket *sock,
+static __poll_t pn_socket_poll(struct file *file, struct socket *sock,
 					poll_table *wait)
 {
 	struct sock *sk = sock->sk;
 	struct pep_sock *pn = pep_sk(sk);
-	unsigned int mask = 0;
+	__poll_t mask = 0;
 
 	poll_wait(file, sk_sleep(sk), wait);
 

net/rds/af_rds.c

···
  * to send to a congested destination, the system call may still fail (and
  * return ENOBUFS).
  */
-static unsigned int rds_poll(struct file *file, struct socket *sock,
+static __poll_t rds_poll(struct file *file, struct socket *sock,
 			     poll_table *wait)
 {
 	struct sock *sk = sock->sk;
 	struct rds_sock *rs = rds_sk_to_rs(sk);
-	unsigned int mask = 0;
+	__poll_t mask = 0;
 	unsigned long flags;
 
 	poll_wait(file, sk_sleep(sk), wait);

net/rfkill/core.c

···
 	return -ENOMEM;
 }
 
-static unsigned int rfkill_fop_poll(struct file *file, poll_table *wait)
+static __poll_t rfkill_fop_poll(struct file *file, poll_table *wait)
 {
 	struct rfkill_data *data = file->private_data;
-	unsigned int res = POLLOUT | POLLWRNORM;
+	__poll_t res = POLLOUT | POLLWRNORM;
 
 	poll_wait(file, &data->read_wait, wait);
 

net/rxrpc/af_rxrpc.c

···
 /*
  * permit an RxRPC socket to be polled
  */
-static unsigned int rxrpc_poll(struct file *file, struct socket *sock,
+static __poll_t rxrpc_poll(struct file *file, struct socket *sock,
 			       poll_table *wait)
 {
 	struct sock *sk = sock->sk;
 	struct rxrpc_sock *rx = rxrpc_sk(sk);
-	unsigned int mask;
+	__poll_t mask;
 
 	sock_poll_wait(file, sk_sleep(sk), wait);
 	mask = 0;

net/sctp/socket.c

···
  * here, again, by modeling the current TCP/UDP code.  We don't have
  * a good way to test with it yet.
  */
-unsigned int sctp_poll(struct file *file, struct socket *sock, poll_table *wait)
+__poll_t sctp_poll(struct file *file, struct socket *sock, poll_table *wait)
 {
 	struct sock *sk = sock->sk;
 	struct sctp_sock *sp = sctp_sk(sk);
-	unsigned int mask;
+	__poll_t mask;
 
 	poll_wait(file, sk_sleep(sk), wait);
 

net/smc/af_smc.c

···
 	return rc;
 }
 
-static unsigned int smc_accept_poll(struct sock *parent)
+static __poll_t smc_accept_poll(struct sock *parent)
 {
 	struct smc_sock *isk;
 	struct sock *sk;
···
 	return 0;
 }
 
-static unsigned int smc_poll(struct file *file, struct socket *sock,
+static __poll_t smc_poll(struct file *file, struct socket *sock,
 			     poll_table *wait)
 {
 	struct sock *sk = sock->sk;

net/socket.c

···
 static int sock_mmap(struct file *file, struct vm_area_struct *vma);
 
 static int sock_close(struct inode *inode, struct file *file);
-static unsigned int sock_poll(struct file *file,
+static __poll_t sock_poll(struct file *file,
 			      struct poll_table_struct *wait);
 static long sock_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
 #ifdef CONFIG_COMPAT
···
 EXPORT_SYMBOL(sock_create_lite);
 
 /* No kernel lock held - perfect */
-static unsigned int sock_poll(struct file *file, poll_table *wait)
+static __poll_t sock_poll(struct file *file, poll_table *wait)
 {
 	__poll_t busy_flag = 0;
 	struct socket *sock;

net/sunrpc/cache.c

···
 
 static DECLARE_WAIT_QUEUE_HEAD(queue_wait);
 
-static unsigned int cache_poll(struct file *filp, poll_table *wait,
+static __poll_t cache_poll(struct file *filp, poll_table *wait,
 			       struct cache_detail *cd)
 {
-	unsigned int mask;
+	__poll_t mask;
 	struct cache_reader *rp = filp->private_data;
 	struct cache_queue *cq;
 
···
 	return cache_write(filp, buf, count, ppos, cd);
 }
 
-static unsigned int cache_poll_procfs(struct file *filp, poll_table *wait)
+static __poll_t cache_poll_procfs(struct file *filp, poll_table *wait)
 {
 	struct cache_detail *cd = PDE_DATA(file_inode(filp));
 
···
 	return cache_write(filp, buf, count, ppos, cd);
 }
 
-static unsigned int cache_poll_pipefs(struct file *filp, poll_table *wait)
+static __poll_t cache_poll_pipefs(struct file *filp, poll_table *wait)
 {
 	struct cache_detail *cd = RPC_I(file_inode(filp))->private;
 

net/sunrpc/rpc_pipe.c

···
 	return res;
 }
 
-static unsigned int
+static __poll_t
 rpc_pipe_poll(struct file *filp, struct poll_table_struct *wait)
 {
 	struct inode *inode = file_inode(filp);
 	struct rpc_inode *rpci = RPC_I(inode);
-	unsigned int mask = POLLOUT | POLLWRNORM;
+	__poll_t mask = POLLOUT | POLLWRNORM;
 
 	poll_wait(filp, &rpci->waitq, wait);
 

net/tipc/socket.c

···
  * imply that the operation will succeed, merely that it should be performed
  * and will not block.
  */
-static unsigned int tipc_poll(struct file *file, struct socket *sock,
+static __poll_t tipc_poll(struct file *file, struct socket *sock,
 			      poll_table *wait)
 {
 	struct sock *sk = sock->sk;
 	struct tipc_sock *tsk = tipc_sk(sk);
 	struct tipc_group *grp = tsk->group;
-	u32 revents = 0;
+	__poll_t revents = 0;
 
 	sock_poll_wait(file, sk_sleep(sk), wait);
 

net/unix/af_unix.c

···
 static int unix_socketpair(struct socket *, struct socket *);
 static int unix_accept(struct socket *, struct socket *, int, bool);
 static int unix_getname(struct socket *, struct sockaddr *, int *, int);
-static unsigned int unix_poll(struct file *, struct socket *, poll_table *);
-static unsigned int unix_dgram_poll(struct file *, struct socket *,
+static __poll_t unix_poll(struct file *, struct socket *, poll_table *);
+static __poll_t unix_dgram_poll(struct file *, struct socket *,
 				    poll_table *);
 static int unix_ioctl(struct socket *, unsigned int, unsigned long);
 static int unix_shutdown(struct socket *, int);
···
 	return err;
 }
 
-static unsigned int unix_poll(struct file *file, struct socket *sock, poll_table *wait)
+static __poll_t unix_poll(struct file *file, struct socket *sock, poll_table *wait)
 {
 	struct sock *sk = sock->sk;
-	unsigned int mask;
+	__poll_t mask;
 
 	sock_poll_wait(file, sk_sleep(sk), wait);
 	mask = 0;
···
 	return mask;
 }
 
-static unsigned int unix_dgram_poll(struct file *file, struct socket *sock,
+static __poll_t unix_dgram_poll(struct file *file, struct socket *sock,
 				    poll_table *wait)
 {
 	struct sock *sk = sock->sk, *other;
-	unsigned int mask, writable;
+	unsigned int writable;
+	__poll_t mask;
 
 	sock_poll_wait(file, sk_sleep(sk), wait);
 	mask = 0;

net/vmw_vsock/af_vsock.c

···
 	return err;
 }
 
-static unsigned int vsock_poll(struct file *file, struct socket *sock,
+static __poll_t vsock_poll(struct file *file, struct socket *sock,
 			       poll_table *wait)
 {
 	struct sock *sk;
-	unsigned int mask;
+	__poll_t mask;
 	struct vsock_sock *vsk;
 
 	sk = sock->sk;