From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next v3] packet: uses kfree_skb() for errors. Date: Wed, 13 Apr 2016 22:56:01 -0400 (EDT) Message-ID: <20160413.225601.721902514935757078.davem@davemloft.net> References: <1460132748-23561-1-git-send-email-weongyo.linux@gmail.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, willemb@google.com To: weongyo.linux@gmail.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:33571 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751155AbcDNC4I (ORCPT ); Wed, 13 Apr 2016 22:56:08 -0400 In-Reply-To: <1460132748-23561-1-git-send-email-weongyo.linux@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Weongyo Jeong Date: Fri, 8 Apr 2016 09:25:48 -0700 > diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c > index 1ecfa71..4e054bb 100644 > --- a/net/packet/af_packet.c > +++ b/net/packet/af_packet.c > @@ -2042,6 +2042,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev, > u8 *skb_head = skb->data; > int skb_len = skb->len; > unsigned int snaplen, res; > + bool err = false; > > if (skb->pkt_type == PACKET_LOOPBACK) > goto drop; It is non-canonical to use a variable named 'err' as a boolean. Instead, all programmers expect a variable named 'err' to be an integer type and to hold an error code. Therefore please use a more appropriate name for this variable. Name it in a way which describes the exact important condition which is true or false. Thank you.