net: remove bogus RCU annotations on socket.wq

We never use RCU protection for it, just a lot of cargo-cult
rcu_deference_protects calls.

Note that we do keep the kfree_rcu call for it, as the references through
struct sock are RCU protected and thus might require a grace period before
freeing.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/net/sock.h b/include/net/sock.h
index 2afea5d1bdfe..433f45fc2d68 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1788,7 +1788,7 @@ static inline void sock_graft(struct sock *sk, struct socket *parent)
 {
         WARN_ON(parent->sk);
         write_lock_bh(&sk->sk_callback_lock);
-        sk->sk_wq = parent->wq;
+        rcu_assign_pointer(sk->sk_wq, parent->wq);
         parent->sk = sk;
         sk_set_socket(sk, parent);
         sk->sk_uid = SOCK_INODE(parent)->i_uid;