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Date: Mon, 04 Jan 2016 18:40:41 -0800
From: Joe Perches <joe@...ches.com>
To: "Geyslan G. Bem" <geyslan@...il.com>,
Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Alan Stern <stern@...land.harvard.edu>,
LKML <linux-kernel@...r.kernel.org>, linux-usb@...r.kernel.org
Subject: Re: [PATCH 08/17] usb: host: ehci-dbg: remove unnecessary space
after cast
On Mon, 2016-01-04 at 19:07 -0300, Geyslan G. Bem wrote:
> 2016-01-04 18:52 GMT-03:00 Sergei Shtylyov :
> > > > > > This patch fixes coding style issues reported by checkpatch concerning
> > > > > > to unnecessary space after a cast.
> > > > > This is a case where checkpatch is wrong, IMO. Casts should always be
> > > > > followed by a space. I will not accept this patch.
Your choice, but most kernel code disagrees with you.
measuring only kernel casts to a pointer, (because there are
too many false positives otherwise) casts without a space
are preferred ~3:1 over casts followed by a space.
(without space)
$ grep -rP --include=*.[ch] -oh "\(\s*(\w{3,}\s+){0,2}\w{3,}\s*\*+\s*\)\w+" * | \
sort|cut -f1 -d")"| sed 's/$/)/' | wc -l
36612
(with space)
$ grep -rP --include=*.[ch] -oh "\(\s*(\w{3,}\s+){0,2}\w{3,}\s*\*+\s*\)[ \t]\w+" * | \
sort|cut -f1 -d")"| sed 's/$/)/' | wc -l
13233
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