From: Dexuan Cui <decui@xxxxxxxxxxxxx>
Date: Sat, 23 Jul 2016 01:35:51 +0000
> +static struct sock *hvsock_create(struct net *net, struct socket *sock,
> + gfp_t priority, unsigned short type)
> +{
> + struct hvsock_sock *hvsk;
> + struct sock *sk;
> +
> + sk = sk_alloc(net, AF_HYPERV, priority, &hvsock_proto, 0);
> + if (!sk)
> + return NULL;
...
> + /* Looks stream-based socket doesn't need this. */
> + sk->sk_backlog_rcv = NULL;
> +
> + sk->sk_state = 0;
> + sock_reset_flag(sk, SOCK_DONE);
All of these are unnecessary initializations, since sk_alloc() zeroes
out the 'sk' object for you.
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