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Date: Sat, 4 Jan 2014 00:11:46 +0100 From: Pablo Neira Ayuso <pablo@...filter.org> To: Michal Nazarewicz <mina86@...a86.com> Cc: Patrick McHardy <kaber@...sh.net>, Jozsef Kadlecsik <kadlec@...ckhole.kfki.hu>, "David S. Miller" <davem@...emloft.net>, netfilter-devel@...r.kernel.org, netfilter@...r.kernel.org, coreteam@...filter.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH RESEND] netfilter: remove unused variable On Wed, Jan 01, 2014 at 06:27:19AM +0100, Michal Nazarewicz wrote: > The nfmsg variable is not used (except in sizeof operator which does > not care about its value) between the first and second time it is > assigned the value. Furthermore, nlmsg_data has no side effects, so > the assignment can be safely removed. Applied with minor glitch, see below. Thanks. > Signed-off-by: Michal Nazarewicz <mina86@...a86.com> > Cc: Patrick McHardy <kaber@...sh.net> > --- > net/netfilter/nf_tables_api.c | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c > index f93b7d0..9c56adc 100644 > --- a/net/netfilter/nf_tables_api.c > +++ b/net/netfilter/nf_tables_api.c > @@ -2521,7 +2521,6 @@ static int nf_tables_dump_set(struct sk_buff *skb, struct netlink_callback *cb) > u32 portid, seq; > int event, err; > > - nfmsg = nlmsg_data(cb->nlh); > err = nlmsg_parse(cb->nlh, sizeof(*nfmsg), nla, NFTA_SET_ELEM_LIST_MAX, mangled this patch to use sizeof(struct nfgenmsg) instead. That change is not required from the semantic point of view, of course, but for readability reasons I think it's better not to refer to a variable that is not used in that context. > nft_set_elem_list_policy); > if (err < 0) > -- > 1.8.4 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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