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authorEric Dumazet <eric.dumazet@gmail.com>2010-04-20 13:03:51 +0000
committerDavid S. Miller <davem@davemloft.net>2010-04-20 16:37:13 -0700
commitaa395145165cb06a0d0885221bbe0ce4a564391d (patch)
tree118b0403621f10db8dc3dbf12079f9af5b19e05d /net/unix/af_unix.c
parentab9304717f7624c41927f442e6b6d418b2d8b3e4 (diff)
downloadlinux-aa395145165cb06a0d0885221bbe0ce4a564391d.tar.gz
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>
Diffstat (limited to 'net/unix/af_unix.c')
-rw-r--r--net/unix/af_unix.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 3d9122e78f41..87c0360eaa25 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -316,7 +316,7 @@ static void unix_write_space(struct sock *sk)
 	read_lock(&sk->sk_callback_lock);
 	if (unix_writable(sk)) {
 		if (sk_has_sleeper(sk))
-			wake_up_interruptible_sync(sk->sk_sleep);
+			wake_up_interruptible_sync(sk_sleep(sk));
 		sk_wake_async(sk, SOCK_WAKE_SPACE, POLL_OUT);
 	}
 	read_unlock(&sk->sk_callback_lock);
@@ -1736,7 +1736,7 @@ static long unix_stream_data_wait(struct sock *sk, long timeo)
 	unix_state_lock(sk);
 
 	for (;;) {
-		prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
+		prepare_to_wait(sk_sleep(sk), &wait, TASK_INTERRUPTIBLE);
 
 		if (!skb_queue_empty(&sk->sk_receive_queue) ||
 		    sk->sk_err ||
@@ -1752,7 +1752,7 @@ static long unix_stream_data_wait(struct sock *sk, long timeo)
 		clear_bit(SOCK_ASYNC_WAITDATA, &sk->sk_socket->flags);
 	}
 
-	finish_wait(sk->sk_sleep, &wait);
+	finish_wait(sk_sleep(sk), &wait);
 	unix_state_unlock(sk);
 	return timeo;
 }
@@ -1991,7 +1991,7 @@ static unsigned int unix_poll(struct file *file, struct socket *sock, poll_table
 	struct sock *sk = sock->sk;
 	unsigned int mask;
 
-	sock_poll_wait(file, sk->sk_sleep, wait);
+	sock_poll_wait(file, sk_sleep(sk), wait);
 	mask = 0;
 
 	/* exceptional events? */
@@ -2028,7 +2028,7 @@ static unsigned int unix_dgram_poll(struct file *file, struct socket *sock,
 	struct sock *sk = sock->sk, *other;
 	unsigned int mask, writable;
 
-	sock_poll_wait(file, sk->sk_sleep, wait);
+	sock_poll_wait(file, sk_sleep(sk), wait);
 	mask = 0;
 
 	/* exceptional events? */