net: sk_sleep() helper
Define a new function to return the waitqueue of a "struct sock".
static inline wait_queue_head_t *sk_sleep(struct sock *sk)
{
return sk->sk_sleep;
}
Change all read occurrences of sk_sleep by a call to this function.
Needed for a future RCU conversion. sk_sleep wont be a field directly
available.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index cfb20b8..66e889b 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -446,7 +446,7 @@
struct sock *sk = sock->sk;
u32 mask;
- poll_wait(file, sk->sk_sleep, wait);
+ poll_wait(file, sk_sleep(sk), wait);
if (!skb_queue_empty(&sk->sk_receive_queue) ||
(sock->state == SS_UNCONNECTED) ||
@@ -591,7 +591,7 @@
break;
}
release_sock(sk);
- res = wait_event_interruptible(*sk->sk_sleep,
+ res = wait_event_interruptible(*sk_sleep(sk),
!tport->congested);
lock_sock(sk);
if (res)
@@ -650,7 +650,7 @@
break;
}
release_sock(sk);
- res = wait_event_interruptible(*sk->sk_sleep,
+ res = wait_event_interruptible(*sk_sleep(sk),
(!tport->congested || !tport->connected));
lock_sock(sk);
if (res)
@@ -931,7 +931,7 @@
goto exit;
}
release_sock(sk);
- res = wait_event_interruptible(*sk->sk_sleep,
+ res = wait_event_interruptible(*sk_sleep(sk),
(!skb_queue_empty(&sk->sk_receive_queue) ||
(sock->state == SS_DISCONNECTING)));
lock_sock(sk);
@@ -1064,7 +1064,7 @@
goto exit;
}
release_sock(sk);
- res = wait_event_interruptible(*sk->sk_sleep,
+ res = wait_event_interruptible(*sk_sleep(sk),
(!skb_queue_empty(&sk->sk_receive_queue) ||
(sock->state == SS_DISCONNECTING)));
lock_sock(sk);
@@ -1271,8 +1271,8 @@
tipc_disconnect_port(tipc_sk_port(sk));
}
- if (waitqueue_active(sk->sk_sleep))
- wake_up_interruptible(sk->sk_sleep);
+ if (waitqueue_active(sk_sleep(sk)))
+ wake_up_interruptible(sk_sleep(sk));
return TIPC_OK;
}
@@ -1343,8 +1343,8 @@
{
struct sock *sk = (struct sock *)tport->usr_handle;
- if (waitqueue_active(sk->sk_sleep))
- wake_up_interruptible(sk->sk_sleep);
+ if (waitqueue_active(sk_sleep(sk)))
+ wake_up_interruptible(sk_sleep(sk));
}
/**
@@ -1426,7 +1426,7 @@
/* Wait until an 'ACK' or 'RST' arrives, or a timeout occurs */
release_sock(sk);
- res = wait_event_interruptible_timeout(*sk->sk_sleep,
+ res = wait_event_interruptible_timeout(*sk_sleep(sk),
(!skb_queue_empty(&sk->sk_receive_queue) ||
(sock->state != SS_CONNECTING)),
sk->sk_rcvtimeo);
@@ -1521,7 +1521,7 @@
goto exit;
}
release_sock(sk);
- res = wait_event_interruptible(*sk->sk_sleep,
+ res = wait_event_interruptible(*sk_sleep(sk),
(!skb_queue_empty(&sk->sk_receive_queue)));
lock_sock(sk);
if (res)
@@ -1632,8 +1632,8 @@
/* Discard any unreceived messages; wake up sleeping tasks */
discard_rx_queue(sk);
- if (waitqueue_active(sk->sk_sleep))
- wake_up_interruptible(sk->sk_sleep);
+ if (waitqueue_active(sk_sleep(sk)))
+ wake_up_interruptible(sk_sleep(sk));
res = 0;
break;