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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-23 11:47:02 -0700 | 
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-23 11:47:02 -0700 | 
| commit | 5f05647dd81c11a6a165ccc8f0c1370b16f3bcb0 (patch) | |
| tree | 7851ef1c93aa1aba7ef327ca4b75fd35e6d10f29 /net/bluetooth/rfcomm/sock.c | |
| parent | 02f36038c568111ad4fc433f6fa760ff5e38fab4 (diff) | |
| parent | ec37a48d1d16c30b655ac5280209edf52a6775d4 (diff) | |
| download | olio-linux-3.10-5f05647dd81c11a6a165ccc8f0c1370b16f3bcb0.tar.xz olio-linux-3.10-5f05647dd81c11a6a165ccc8f0c1370b16f3bcb0.zip  | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1699 commits)
  bnx2/bnx2x: Unsupported Ethtool operations should return -EINVAL.
  vlan: Calling vlan_hwaccel_do_receive() is always valid.
  tproxy: use the interface primary IP address as a default value for --on-ip
  tproxy: added IPv6 support to the socket match
  cxgb3: function namespace cleanup
  tproxy: added IPv6 support to the TPROXY target
  tproxy: added IPv6 socket lookup function to nf_tproxy_core
  be2net: Changes to use only priority codes allowed by f/w
  tproxy: allow non-local binds of IPv6 sockets if IP_TRANSPARENT is enabled
  tproxy: added tproxy sockopt interface in the IPV6 layer
  tproxy: added udp6_lib_lookup function
  tproxy: added const specifiers to udp lookup functions
  tproxy: split off ipv6 defragmentation to a separate module
  l2tp: small cleanup
  nf_nat: restrict ICMP translation for embedded header
  can: mcp251x: fix generation of error frames
  can: mcp251x: fix endless loop in interrupt handler if CANINTF_MERRF is set
  can-raw: add msg_flags to distinguish local traffic
  9p: client code cleanup
  rds: make local functions/variables static
  ...
Fix up conflicts in net/core/dev.c, drivers/net/pcmcia/smc91c92_cs.c and
drivers/net/wireless/ath/ath9k/debug.c as per David
Diffstat (limited to 'net/bluetooth/rfcomm/sock.c')
| -rw-r--r-- | net/bluetooth/rfcomm/sock.c | 104 | 
1 files changed, 6 insertions, 98 deletions
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c index 194b3a04cfd..aec505f934d 100644 --- a/net/bluetooth/rfcomm/sock.c +++ b/net/bluetooth/rfcomm/sock.c @@ -621,121 +621,29 @@ static int rfcomm_sock_sendmsg(struct kiocb *iocb, struct socket *sock,  	return sent;  } -static long rfcomm_sock_data_wait(struct sock *sk, long timeo) -{ -	DECLARE_WAITQUEUE(wait, current); - -	add_wait_queue(sk_sleep(sk), &wait); -	for (;;) { -		set_current_state(TASK_INTERRUPTIBLE); - -		if (!skb_queue_empty(&sk->sk_receive_queue) || -		    sk->sk_err || -		    (sk->sk_shutdown & RCV_SHUTDOWN) || -		    signal_pending(current) || -		    !timeo) -			break; - -		set_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags); -		release_sock(sk); -		timeo = schedule_timeout(timeo); -		lock_sock(sk); -		clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags); -	} - -	__set_current_state(TASK_RUNNING); -	remove_wait_queue(sk_sleep(sk), &wait); -	return timeo; -} -  static int rfcomm_sock_recvmsg(struct kiocb *iocb, struct socket *sock,  			       struct msghdr *msg, size_t size, int flags)  {  	struct sock *sk = sock->sk;  	struct rfcomm_dlc *d = rfcomm_pi(sk)->dlc; -	int err = 0; -	size_t target, copied = 0; -	long timeo; +	int len;  	if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {  		rfcomm_dlc_accept(d);  		return 0;  	} -	if (flags & MSG_OOB) -		return -EOPNOTSUPP; - -	msg->msg_namelen = 0; - -	BT_DBG("sk %p size %zu", sk, size); +	len = bt_sock_stream_recvmsg(iocb, sock, msg, size, flags);  	lock_sock(sk); +	if (!(flags & MSG_PEEK) && len > 0) +		atomic_sub(len, &sk->sk_rmem_alloc); -	target = sock_rcvlowat(sk, flags & MSG_WAITALL, size); -	timeo  = sock_rcvtimeo(sk, flags & MSG_DONTWAIT); - -	do { -		struct sk_buff *skb; -		int chunk; - -		skb = skb_dequeue(&sk->sk_receive_queue); -		if (!skb) { -			if (copied >= target) -				break; - -			if ((err = sock_error(sk)) != 0) -				break; -			if (sk->sk_shutdown & RCV_SHUTDOWN) -				break; - -			err = -EAGAIN; -			if (!timeo) -				break; - -			timeo = rfcomm_sock_data_wait(sk, timeo); - -			if (signal_pending(current)) { -				err = sock_intr_errno(timeo); -				goto out; -			} -			continue; -		} - -		chunk = min_t(unsigned int, skb->len, size); -		if (memcpy_toiovec(msg->msg_iov, skb->data, chunk)) { -			skb_queue_head(&sk->sk_receive_queue, skb); -			if (!copied) -				copied = -EFAULT; -			break; -		} -		copied += chunk; -		size   -= chunk; - -		sock_recv_ts_and_drops(msg, sk, skb); - -		if (!(flags & MSG_PEEK)) { -			atomic_sub(chunk, &sk->sk_rmem_alloc); - -			skb_pull(skb, chunk); -			if (skb->len) { -				skb_queue_head(&sk->sk_receive_queue, skb); -				break; -			} -			kfree_skb(skb); - -		} else { -			/* put message back and return */ -			skb_queue_head(&sk->sk_receive_queue, skb); -			break; -		} -	} while (size); - -out:  	if (atomic_read(&sk->sk_rmem_alloc) <= (sk->sk_rcvbuf >> 2))  		rfcomm_dlc_unthrottle(rfcomm_pi(sk)->dlc); -  	release_sock(sk); -	return copied ? : err; + +	return len;  }  static int rfcomm_sock_setsockopt_old(struct socket *sock, int optname, char __user *optval, unsigned int optlen)  |