linux-kernel - Re: [PATCH 2/4] staging: r8188eu: reformat long computation lines

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Date:   Mon, 17 Oct 2022 16:52:17 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Deepak R Varma <drv@...lo.com>
Cc:     outreachy@...ts.linux.dev, Larry.Finger@...inger.net,
        phil@...lpotter.co.uk, paskripkin@...il.com,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        kumarpraveen@...ux.microsoft.com, saurabh.truth@...il.com
Subject: Re: [PATCH 2/4] staging: r8188eu: reformat long computation lines

On Mon, Oct 17, 2022 at 07:40:46PM +0530, Deepak R Varma wrote:
> On Mon, Oct 17, 2022 at 04:09:49PM +0200, Greg KH wrote:
> > On Mon, Oct 17, 2022 at 06:52:50PM +0530, Deepak R Varma wrote:
> > > Reformat long running computation instructions to improve code readability.
> > > Address following checkpatch script complaints:
> > > 	CHECK: line length of 171 exceeds 100 columns
> > > 	CHECK: line length of 113 exceeds 100 columns
> > >
> > > Signed-off-by: Deepak R Varma <drv@...lo.com>
> > > ---
> > >  drivers/staging/r8188eu/core/rtw_br_ext.c | 20 +++++++++++++-------
> > >  1 file changed, 13 insertions(+), 7 deletions(-)
> > >
> > > diff --git a/drivers/staging/r8188eu/core/rtw_br_ext.c b/drivers/staging/r8188eu/core/rtw_br_ext.c
> > > index 79daf8f269d6..427da7e8ba4c 100644
> > > --- a/drivers/staging/r8188eu/core/rtw_br_ext.c
> > > +++ b/drivers/staging/r8188eu/core/rtw_br_ext.c
> > > @@ -211,8 +211,10 @@ static int __nat25_network_hash(unsigned char *network_addr)
> > >  	} else if (network_addr[0] == NAT25_IPX) {
> > >  		unsigned long x;
> > >
> > > -		x = network_addr[1] ^ network_addr[2] ^ network_addr[3] ^ network_addr[4] ^ network_addr[5] ^
> > > -			network_addr[6] ^ network_addr[7] ^ network_addr[8] ^ network_addr[9] ^ network_addr[10];
> > > +		x = network_addr[1] ^ network_addr[2] ^ network_addr[3] ^
> >
> > Why not go out to [4] here and then you are one line shorter?
> 
> Thank you for the feedback.
> Arranging 4 on a line still made the line extend 90+ columns.

As the tool said, you can go up to 100 columns.

thanks,

greg k-h