linux-kernel - Re: [PATCH] wifi: mac80211: clean up a needless assignment in ieee80211_sta_activate

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Date:   Fri, 12 Aug 2022 12:33:31 +0200
From:   Lukas Bulwahn <lukas.bulwahn@...il.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     Johannes Berg <johannes@...solutions.net>,
        linux-wireless <linux-wireless@...r.kernel.org>,
        kernel-janitors <kernel-janitors@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] wifi: mac80211: clean up a needless assignment in ieee80211_sta_activate_link()

On Fri, Aug 12, 2022 at 12:02 PM Dan Carpenter <dan.carpenter@...cle.com> wrote:
>
> On Fri, Aug 12, 2022 at 11:44:38AM +0200, Lukas Bulwahn wrote:
> > Commit 177577dbd223 ("wifi: mac80211: sta_info: fix link_sta insertion")
> > makes ieee80211_sta_activate_link() return 0 in the 'hash' label case.
> > Hence, setting ret in the !test_sta_flag(...) branch to zero is not needed
> > anymore and can be dropped.
> >
> > Remove a needless assignment.
> >
> > No functional change. No change in object code.
> >
> > Signed-off-by: Lukas Bulwahn <lukas.bulwahn@...il.com>
> > ---
> >  net/mac80211/sta_info.c | 1 -
> >  1 file changed, 1 deletion(-)
> >
> > diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
> > index cb23da9aff1e..492c7a29d797 100644
> > --- a/net/mac80211/sta_info.c
> > +++ b/net/mac80211/sta_info.c
> > @@ -2778,7 +2778,6 @@ int ieee80211_sta_activate_link(struct sta_info *sta, unsigned int link_id)
> >       sta->sta.valid_links = new_links;
> >
> >       if (!test_sta_flag(sta, WLAN_STA_INSERTED)) {
> > -             ret = 0;
> >               goto hash;
> >       }
>
> Please, remove the {} as well.
>

Thanks for the pointer, Dan! I need to remember that for the future; I
did expect checkpatch to warn me of such a stylistic pattern, but it
seems that it does not. So I just need to have an eye on that.

Patch v2 sent out:
https://lore.kernel.org/lkml/20220812103126.25308-1-lukas.bulwahn@gmail.com/

Lukas