Return-path: Received: from mgw2.diku.dk ([130.225.96.92]:56218 "EHLO mgw2.diku.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751278Ab1A1OQ6 (ORCPT ); Fri, 28 Jan 2011 09:16:58 -0500 Date: Fri, 28 Jan 2011 15:16:53 +0100 (CET) From: Julia Lawall To: Johannes Berg Cc: kernel-janitors@vger.kernel.org, "John W. Linville" , "David S. Miller" , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/2] net/wireless/nl80211.c: Avoid call to genlmsg_cancel In-Reply-To: <1296223267.5118.7.camel@jlt3.sipsolutions.net> Message-ID: References: <1296224232-8115-1-git-send-email-julia@diku.dk> <1296223267.5118.7.camel@jlt3.sipsolutions.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-wireless-owner@vger.kernel.org List-ID: On Fri, 28 Jan 2011, Johannes Berg wrote: > On Fri, 2011-01-28 at 15:17 +0100, Julia Lawall wrote: > > > diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c > > index 9b62710..864ddfb 100644 > > --- a/net/wireless/nl80211.c > > +++ b/net/wireless/nl80211.c > > @@ -2718,7 +2718,7 @@ static int nl80211_get_mesh_config(struct sk_buff *skb, > > hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, > > NL80211_CMD_GET_MESH_CONFIG); > > if (!hdr) > > - goto nla_put_failure; > > + goto out; > > > > @@ -2954,7 +2955,7 @@ static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) > > hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0, > > NL80211_CMD_GET_REG); > > if (!hdr) > > - goto nla_put_failure; > > + goto put_failure; > > > > NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, > > cfg80211_regdomain->alpha2); > > Seems fine. Actually, since the message is freed anyhow, the call to > genlmsg_cancel is *completely* unnecessary, I just put it in to make it > nest better and not rely on it not having side effects. > > But why did you call the label differently? :) Because out is already used in this case, and I didn't want to change all of the other occurrences of nla_put_failure. It's a bit sloppy though, because this code is the actual nla_put_failure. I can change it if you prefer. julia