aboutsummaryrefslogtreecommitdiffstats
path: root/net/core/stream.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-21 00:04:44 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-21 00:04:44 -0400
commitf8965467f366fd18f01feafb5db10512d7b4422c (patch)
tree3706a9cd779859271ca61b85c63a1bc3f82d626e /net/core/stream.c
parenta26272e5200765691e67d6780e52b32498fdb659 (diff)
parent2ec8c6bb5d8f3a62a79f463525054bae1e3d4487 (diff)
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: (1674 commits) qlcnic: adding co maintainer ixgbe: add support for active DA cables ixgbe: dcb, do not tag tc_prio_control frames ixgbe: fix ixgbe_tx_is_paused logic ixgbe: always enable vlan strip/insert when DCB is enabled ixgbe: remove some redundant code in setting FCoE FIP filter ixgbe: fix wrong offset to fc_frame_header in ixgbe_fcoe_ddp ixgbe: fix header len when unsplit packet overflows to data buffer ipv6: Never schedule DAD timer on dead address ipv6: Use POSTDAD state ipv6: Use state_lock to protect ifa state ipv6: Replace inet6_ifaddr->dead with state cxgb4: notify upper drivers if the device is already up when they load cxgb4: keep interrupts available when the ports are brought down cxgb4: fix initial addition of MAC address cnic: Return SPQ credit to bnx2x after ring setup and shutdown. cnic: Convert cnic_local_flags to atomic ops. can: Fix SJA1000 command register writes on SMP systems bridge: fix build for CONFIG_SYSFS disabled ARCNET: Limit com20020 PCI ID matches for SOHARD cards ... Fix up various conflicts with pcmcia tree drivers/net/ {pcmcia/3c589_cs.c, wireless/orinoco/orinoco_cs.c and wireless/orinoco/spectrum_cs.c} and feature removal (Documentation/feature-removal-schedule.txt). Also fix a non-content conflict due to pm_qos_requirement getting renamed in the PM tree (now pm_qos_request) in net/mac80211/scan.c
Diffstat (limited to 'net/core/stream.c')
-rw-r--r--net/core/stream.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/net/core/stream.c b/net/core/stream.c
index a37debfeb1b2..cc196f42b8d8 100644
--- a/net/core/stream.c
+++ b/net/core/stream.c
@@ -28,15 +28,19 @@
28void sk_stream_write_space(struct sock *sk) 28void sk_stream_write_space(struct sock *sk)
29{ 29{
30 struct socket *sock = sk->sk_socket; 30 struct socket *sock = sk->sk_socket;
31 struct socket_wq *wq;
31 32
32 if (sk_stream_wspace(sk) >= sk_stream_min_wspace(sk) && sock) { 33 if (sk_stream_wspace(sk) >= sk_stream_min_wspace(sk) && sock) {
33 clear_bit(SOCK_NOSPACE, &sock->flags); 34 clear_bit(SOCK_NOSPACE, &sock->flags);
34 35
35 if (sk->sk_sleep && waitqueue_active(sk->sk_sleep)) 36 rcu_read_lock();
36 wake_up_interruptible_poll(sk->sk_sleep, POLLOUT | 37 wq = rcu_dereference(sk->sk_wq);
38 if (wq_has_sleeper(wq))
39 wake_up_interruptible_poll(&wq->wait, POLLOUT |
37 POLLWRNORM | POLLWRBAND); 40 POLLWRNORM | POLLWRBAND);
38 if (sock->fasync_list && !(sk->sk_shutdown & SEND_SHUTDOWN)) 41 if (wq && wq->fasync_list && !(sk->sk_shutdown & SEND_SHUTDOWN))
39 sock_wake_async(sock, SOCK_WAKE_SPACE, POLL_OUT); 42 sock_wake_async(sock, SOCK_WAKE_SPACE, POLL_OUT);
43 rcu_read_unlock();
40 } 44 }
41} 45}
42 46
@@ -66,13 +70,13 @@ int sk_stream_wait_connect(struct sock *sk, long *timeo_p)
66 if (signal_pending(tsk)) 70 if (signal_pending(tsk))
67 return sock_intr_errno(*timeo_p); 71 return sock_intr_errno(*timeo_p);
68 72
69 prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE); 73 prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
70 sk->sk_write_pending++; 74 sk->sk_write_pending++;
71 done = sk_wait_event(sk, timeo_p, 75 done = sk_wait_event(sk, timeo_p,
72 !sk->sk_err && 76 !sk->sk_err &&
73 !((1 << sk->sk_state) & 77 !((1 << sk->sk_state) &
74 ~(TCPF_ESTABLISHED | TCPF_CLOSE_WAIT))); 78 ~(TCPF_ESTABLISHED | TCPF_CLOSE_WAIT)));
75 finish_wait(sk->sk_sleep, &wait); 79 finish_wait(sk_sleep(sk), &wait);
76 sk->sk_write_pending--; 80 sk->sk_write_pending--;
77 } while (!done); 81 } while (!done);
78 return 0; 82 return 0;
@@ -96,13 +100,13 @@ void sk_stream_wait_close(struct sock *sk, long timeout)
96 DEFINE_WAIT(wait); 100 DEFINE_WAIT(wait);
97 101
98 do { 102 do {
99 prepare_to_wait(sk->sk_sleep, &wait, 103 prepare_to_wait(sk_sleep(sk), &wait,
100 TASK_INTERRUPTIBLE); 104 TASK_INTERRUPTIBLE);
101 if (sk_wait_event(sk, &timeout, !sk_stream_closing(sk))) 105 if (sk_wait_event(sk, &timeout, !sk_stream_closing(sk)))
102 break; 106 break;
103 } while (!signal_pending(current) && timeout); 107 } while (!signal_pending(current) && timeout);
104 108
105 finish_wait(sk->sk_sleep, &wait); 109 finish_wait(sk_sleep(sk), &wait);
106 } 110 }
107} 111}
108 112
@@ -126,7 +130,7 @@ int sk_stream_wait_memory(struct sock *sk, long *timeo_p)
126 while (1) { 130 while (1) {
127 set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags); 131 set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags);
128 132
129 prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE); 133 prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
130 134
131 if (sk->sk_err || (sk->sk_shutdown & SEND_SHUTDOWN)) 135 if (sk->sk_err || (sk->sk_shutdown & SEND_SHUTDOWN))
132 goto do_error; 136 goto do_error;
@@ -157,7 +161,7 @@ int sk_stream_wait_memory(struct sock *sk, long *timeo_p)
157 *timeo_p = current_timeo; 161 *timeo_p = current_timeo;
158 } 162 }
159out: 163out:
160 finish_wait(sk->sk_sleep, &wait); 164 finish_wait(sk_sleep(sk), &wait);
161 return err; 165 return err;
162 166
163do_error: 167do_error: