*/
void tcp_release_cb(struct sock *sk)
{
- unsigned long flags, nflags;
+ unsigned long flags = smp_load_acquire(&sk->sk_tsq_flags);
+ unsigned long nflags;
/* perform an atomic operation only if at least one flag is set */
do {
- flags = sk->sk_tsq_flags;
if (!(flags & TCP_DEFERRED_ALL))
return;
nflags = flags & ~TCP_DEFERRED_ALL;
- } while (cmpxchg(&sk->sk_tsq_flags, flags, nflags) != flags);
+ } while (!try_cmpxchg(&sk->sk_tsq_flags, &flags, nflags));
if (flags & TCPF_TSQ_DEFERRED) {
tcp_tsq_write(sk);