From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH v18 net-next 1/1] hv_sock: introduce Hyper-V Sockets Date: Mon, 25 Jul 2016 17:37:01 -0700 (PDT) Message-ID: <20160725.173701.1282720667210726281.davem@davemloft.net> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: mkubecek@suse.cz, olaf@aepfle.de, gregkh@linuxfoundation.org, jasowang@redhat.com, dave.scott@docker.com, linux-kernel@vger.kernel.org, joe@perches.com, rolf.neugebauer@docker.com, netdev@vger.kernel.org, apw@canonical.com, devel@linuxdriverproject.org, haiyangz@microsoft.com To: decui@microsoft.com Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" List-Id: netdev.vger.kernel.org From: Dexuan Cui 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.