linux-kernel - Re: [PATCH v1 1/1] s390: Use string_upper() instead of open coded variant

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Message-ID: <YWQNZb25R3SjsQAL@osiris>
Date:   Mon, 11 Oct 2021 12:09:41 +0200
From:   Heiko Carstens <hca@...ux.ibm.com>
To:     David Laight <David.Laight@...lab.com>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        "linux-s390@...r.kernel.org" <linux-s390@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ibm.com>
Subject: Re: [PATCH v1 1/1] s390: Use string_upper() instead of open coded
 variant

On Mon, Oct 11, 2021 at 08:21:15AM +0000, David Laight wrote:
> ...
> > > +	 * This snprintf() call does two things:
> > > +	 * - makes a NUL-terminated copy of the input string
> > > +	 * - pads it with spaces
> > > +	 */
> > > +	snprintf(tmp, sizeof(tmp), "%s        ", name);
> > 
> > I can't say I like code where I have to count spaces in order to
> > verify if the code is actually correct.
> 
> What it wrong with "%-8.8s" ?

There's nothing wrong with it, except lack of imagination on my side ;)
Andy, care to to send a separate patch just for extmem.c?