linux-kernel - Re: [PATCH] net: wireless/broadcom: fix possible condition with no effect

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Message-ID: <20220626131837.622a36c5@barney>
Date:   Sun, 26 Jun 2022 13:18:37 +0200
From:   Michael Büsch <m@...s.ch>
To:     Sebastian Gottschall <s.gottschall@...media-net.de>
Cc:     Praghadeesh T K S <praghadeeshthevendria@...il.com>,
        Kalle Valo <kvalo@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        linux-wireless@...r.kernel.org, b43-dev@...ts.infradead.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        praghadeeshtks@...omail.in, skhan@...uxfoundation.org
Subject: Re: [PATCH] net: wireless/broadcom: fix possible condition with no
 effect

On Sun, 26 Jun 2022 13:03:57 +0200
Sebastian Gottschall <s.gottschall@...media-net.de> wrote:

> Am 25.06.2022 um 21:29 schrieb Praghadeesh T K S:
> > Fix a coccinelle warning by removing condition with no possible
> > effect
> >
> > Signed-off-by: Praghadeesh T K S <praghadeeshthevendria@...il.com>
> > ---
> >   drivers/net/wireless/broadcom/b43/xmit.c | 7 +------
> >   1 file changed, 1 insertion(+), 6 deletions(-)
> >
> > diff --git a/drivers/net/wireless/broadcom/b43/xmit.c
> > b/drivers/net/wireless/broadcom/b43/xmit.c index 7651b1b..667a74b
> > 100644 --- a/drivers/net/wireless/broadcom/b43/xmit.c
> > +++ b/drivers/net/wireless/broadcom/b43/xmit.c
> > @@ -169,12 +169,7 @@ static u16 b43_generate_tx_phy_ctl1(struct
> > b43_wldev *dev, u8 bitrate) const struct b43_phy *phy = &dev->phy;
> >   	const struct b43_tx_legacy_rate_phy_ctl_entry *e;
> >   	u16 control = 0;
> > -	u16 bw;
> > -
> > -	if (phy->type == B43_PHYTYPE_LP)
> > -		bw = B43_TXH_PHY1_BW_20;
> > -	else /* FIXME */
> > -		bw = B43_TXH_PHY1_BW_20;
> > +	u16 bw = B43_TXH_PHY1_BW_20;  
> Can you check if this is a possible register typo?


I think use of this name was intentional.
The code is marked as being incomplete with /* FIXME */

This change removes the FIXME. Which is bad. It doesn't improve the
code. It reduces code quality by removing the
incompleteness documentation.

Please leave the code as-is.

-- 
Michael Büsch
https://bues.ch/

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