linux-kernel - Re: [PATCH 0/9] Fix checkpatch errors

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Date:	Sun, 13 Dec 2015 19:15:16 +0100
From:	Nicolai Stange <nicstange@...il.com>
To:	Frederik <frederik.voelkel@....de>
Cc:	Greg KH <gregkh@...uxfoundation.org>, linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org, jslaby@...e.com,
	linux-kernel@...cs.fau.de, lukas.braun@....de
Subject: Re: [PATCH 0/9] Fix checkpatch errors

Frederik <frederik.voelkel@....de> writes:

> On Sat, 12. Dec 23:06, Greg KH wrote:
>> On Fri, Dec 11, 2015 at 11:36:00AM +0100, Frederik Völkel wrote:
>> > This patch series fixes all checkpatch error in 68328serial.c except
>> > 5 trailing whitespace errors we are unsure how to fix.
>> 
>> What are the errors you are not sure how to fix?
>> 
>> thanks,
>> 
>> greg k-h
>
> All 5 errors are at comments. It is not clear to us where exactly the
> trailing whitespace is checkpatch complains(lines 271, 770, 889, 993
> and 1040).

W/o your series applied (so line numbering might be slightly
different), checkpatch.pl says:

  ERROR: trailing whitespace
  #270: FILE: -:270:
  +^I * This do { } while() loop will get ALL chars out of Rx FIFO $

AFAICS, your patch [7/9] ("drivers: tty: 68328serial.c: remove trailing
whitespaces") doesn't fix this one.

In good old regexp tradition, the '$' sign denotes the end of line. So,
there is a single space after "FIFO" and before the end of line.

If you happen to be Emacs users, consider trying out whitespace-mode.
If not, try to find another way to make your editor visualize whitespace
somehow.
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