linux-kernel - Re: [PATCH 1/5] mtd: st_spi_fsm: Remove useless consts from function arguments

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Message-ID: <1395319485.7776.32.camel@joe-AO722>
Date:	Thu, 20 Mar 2014 05:44:45 -0700
From:	Joe Perches <joe@...ches.com>
To:	Brian Norris <computersforpeace@...il.com>
Cc:	Lee Jones <lee.jones@...aro.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	kernel@...inux.com,
	"linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
	David Woodhouse <dwmw2@...radead.org>,
	Angus CLARK <angus.clark@...com>
Subject: Re: [PATCH 1/5] mtd: st_spi_fsm: Remove useless consts from
 function arguments

On Thu, 2014-03-20 at 05:41 -0700, Brian Norris wrote:
> I also don't think that a function parameter is the right place to
> mark const like this. Function arguments are always pass-by-value, so
> this 'const' tells users (callers) nothing useful. It only provides
> useless constraints on what the function can do with its copy of the
> parameter.

Again, that's not useless information.

And as you've seen, just making these changes
can be error prone.


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