linux-kernel - Re: [v2 5/7] remoteproc: Restructure firmware name allocation

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Date:   Fri, 17 Apr 2020 14:58:51 -0600
From:   Mathieu Poirier <mathieu.poirier@...aro.org>
To:     Markus Elfring <Markus.Elfring@....de>
Cc:     Suman Anna <s-anna@...com>, linux-remoteproc@...r.kernel.org,
        linux-kernel@...r.kernel.org, Alex Elder <elder@...aro.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Ohad Ben-Cohen <ohad@...ery.com>
Subject: Re: [v2 5/7] remoteproc: Restructure firmware name allocation

Hi Markus,

On Fri, Apr 17, 2020 at 05:48:49PM +0200, Markus Elfring wrote:
> >>     p = firmware ? kstrdup_const(…) : kasprintf(…);
> >
> > For simple assignments, I too prefer the ternary operator,
> 
> Thanks for your feedback.
> 
> 
> > but in this case, I think it is better to leave the current code as is.
> 
> Would you like to consider the use of the function “kvasprintf_const”
> according to your review comment for the update step “[PATCH v2 4/7] remoteproc:
> Use kstrdup_const() rather than kstrup()”?
> 

Looking at the implementation of kvasprintf_const(), using it here wouldn't give
us anything.  Indeed allocation of duplicate memory is avoided only if the
string is pre determined of if it is exactly %s, which isn't the case here.
Otherwise things default to kvasprintf().

Thanks,
Mathieu 

> Regards,
> Markus