linux-kernel - Re: [PATCH] netfilter: xt_TPROXY: fix clang -Wformat warnings:

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Message-ID: <CAFhGd8qDwoWLTJEGtap3s2_+AOLdnSg57DO8VgoMrqDtcFY7qQ@mail.gmail.com>
Date:   Mon, 11 Jul 2022 12:44:05 -0700
From:   Justin Stitt <justinstitt@...gle.com>
To:     Pablo Neira Ayuso <pablo@...filter.org>
Cc:     Jozsef Kadlecsik <kadlec@...filter.org>,
        Florian Westphal <fw@...len.de>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Tom Rix <trix@...hat.com>, netfilter-devel@...r.kernel.org,
        coreteam@...filter.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, llvm@...ts.linux.dev
Subject: Re: [PATCH] netfilter: xt_TPROXY: fix clang -Wformat warnings:

On Mon, Jul 11, 2022 at 2:04 AM Pablo Neira Ayuso <pablo@...filter.org> wrote:
>
> On Thu, Jul 07, 2022 at 12:17:45PM -0700, Justin Stitt wrote:
> > diff --git a/net/netfilter/xt_TPROXY.c b/net/netfilter/xt_TPROXY.c
> > index 459d0696c91a..5d74abffc94f 100644
> > --- a/net/netfilter/xt_TPROXY.c
> > +++ b/net/netfilter/xt_TPROXY.c
> > @@ -169,7 +169,7 @@ tproxy_tg6_v1(struct sk_buff *skb, const struct xt_action_param *par)
> >                  targets on the same rule yet */
> >               skb->mark = (skb->mark & ~tgi->mark_mask) ^ tgi->mark_value;
> >
> > -             pr_debug("redirecting: proto %hhu %pI6:%hu -> %pI6:%hu, mark: %x\n",
> > +             pr_debug("redirecting: proto %d %pI6:%hu -> %pI6:%hu, mark: %x\n",
> >                        tproto, &iph->saddr, ntohs(hp->source),
> >                        laddr, ntohs(lport), skb->mark);
> >
> > @@ -177,7 +177,7 @@ tproxy_tg6_v1(struct sk_buff *skb, const struct xt_action_param *par)
> >               return NF_ACCEPT;
> >       }
> >
> > -     pr_debug("no socket, dropping: proto %hhu %pI6:%hu -> %pI6:%hu, mark: %x\n",
> > +     pr_debug("no socket, dropping: proto %d %pI6:%hu -> %pI6:%hu, mark: %x\n",
> >                tproto, &iph->saddr, ntohs(hp->source),
> >                &iph->daddr, ntohs(hp->dest), skb->mark);
>
> Could you instead send a patch to remove these pr_debug calls?
Do you mean all Instances of pr_debug in `xt_TPROXY.c` (of which there
are six) or just these two specific cases @ +169 and +177.
> Thanks.