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>

1 files changed, 2 insertions, 2 deletions

diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c
index 0073ec8495d..d4c6af082d4 100644
--- a/net/bluetooth/cmtp/core.c
+++ b/net/bluetooth/cmtp/core.c
@@ -284,7 +284,7 @@ static int cmtp_session(void *arg)
         set_user_nice(current, -15);
 
         init_waitqueue_entry(&wait, current);
-        add_wait_queue(sk->sk_sleep, &wait);
+        add_wait_queue(sk_sleep(sk), &wait);
         while (!atomic_read(&session->terminate)) {
                 set_current_state(TASK_INTERRUPTIBLE);
 
@@ -301,7 +301,7 @@ static int cmtp_session(void *arg)
                 schedule();
         }
         set_current_state(TASK_RUNNING);
-        remove_wait_queue(sk->sk_sleep, &wait);
+        remove_wait_queue(sk_sleep(sk), &wait);
 
         down_write(&cmtp_session_sem);