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authorDave Airlie <airlied@redhat.com>2015-12-08 11:04:26 +1000
committerDave Airlie <airlied@redhat.com>2015-12-08 11:04:26 +1000
commite876b41ab074561d65f213bf5e0fc68cf5bc7380 (patch)
tree5bcbd7e4f7b6ac2a34e61011f8eb2cde90bf8603 /net/socket.c
parent47c0fd72822159eb501411f975f5672a0bf7a7fb (diff)
parent527e9316f8ec44bd53d90fb9f611fa7ffff52bb9 (diff)
Back merge tag 'v4.4-rc4' into drm-next
We've picked up a few conflicts and it would be nice to resolve them before we move onwards.
Diffstat (limited to 'net/socket.c')
-rw-r--r--net/socket.c21
1 files changed, 7 insertions, 14 deletions
diff --git a/net/socket.c b/net/socket.c
index dd2c247c99e3..456fadb3d819 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1056,27 +1056,20 @@ static int sock_fasync(int fd, struct file *filp, int on)
return 0;
}
-/* This function may be called only under socket lock or callback_lock or rcu_lock */
+/* This function may be called only under rcu_lock */
-int sock_wake_async(struct socket *sock, int how, int band)
+int sock_wake_async(struct socket_wq *wq, int how, int band)
{
- struct socket_wq *wq;
-
- if (!sock)
- return -1;
- rcu_read_lock();
- wq = rcu_dereference(sock->wq);
- if (!wq || !wq->fasync_list) {
- rcu_read_unlock();
+ if (!wq || !wq->fasync_list)
return -1;
- }
+
switch (how) {
case SOCK_WAKE_WAITD:
- if (test_bit(SOCK_ASYNC_WAITDATA, &sock->flags))
+ if (test_bit(SOCKWQ_ASYNC_WAITDATA, &wq->flags))
break;
goto call_kill;
case SOCK_WAKE_SPACE:
- if (!test_and_clear_bit(SOCK_ASYNC_NOSPACE, &sock->flags))
+ if (!test_and_clear_bit(SOCKWQ_ASYNC_NOSPACE, &wq->flags))
break;
/* fall through */
case SOCK_WAKE_IO:
@@ -1086,7 +1079,7 @@ call_kill:
case SOCK_WAKE_URG:
kill_fasync(&wq->fasync_list, SIGURG, band);
}
- rcu_read_unlock();
+
return 0;
}
EXPORT_SYMBOL(sock_wake_async);