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Message-Id: <20170307.134338.1195186271110286952.davem@davemloft.net> Date: Tue, 07 Mar 2017 13:43:38 -0800 (PST) From: David Miller <davem@...emloft.net> To: tomasz.dzieciol@...ia.com Cc: netdev@...r.kernel.org Subject: Re: [PATCH] arp: Race condition in gratuitous ARP reception handling. From: <tomasz.dzieciol@...ia.com> Date: Thu, 2 Mar 2017 14:59:47 +0100 > @@ -836,19 +843,30 @@ static int arp_process(struct net *net, struct sock *sk, struct sk_buff *skb) > n = __neigh_lookup(&arp_tbl, &sip, dev, 0); > > if (IN_DEV_ARP_ACCEPT(in_dev)) { > - unsigned int addr_type = inet_addr_type_dev_table(net, dev, sip); > + unsigned int addr_type = inet_addr_type_dev_table(net, > + dev, sip); Please don't mix coding style changes with real modifications. > + } else if (n) { > + unsigned int addr_type = inet_addr_type_dev_table(net, > + dev, sip); Thanks.
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