linux-kernel - Re: [PATCH 1/2] fs: configfs: make qw

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Message-ID: <20170201080731.GC17968@kroah.com>
Date:   Wed, 1 Feb 2017 09:07:31 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Stefan Agner <stefan@...er.ch>
Cc:     balbi@...nel.org, andrzej.p@...sung.com, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] fs: configfs: make qw_sign attribute symmetric

On Tue, Jan 31, 2017 at 06:19:16PM -0800, Stefan Agner wrote:
> Currently qw_sign requires UTF-8 character to set, but returns UTF-16
> when read. This isn't obvious when simply using cat since the null
> characters are not visible, but hexdump unveils the true string:
> 
>   # echo MSFT100 > os_desc/qw_sign
>   # hexdump -C os_desc/qw_sign
>   00000000  4d 00 53 00 46 00 54 00  31 00 30 00 30 00        |M.S.F.T.1.0.0.|
> 
> Make qw_sign symmetric by returning an UTF-8 string too. Also follow
> common convention and add a new line at the end.

The newline is not part of the descriptor, so why add it?

thanks,

greg k-h