From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <1395319485.7776.32.camel@joe-AO722> Subject: Re: [PATCH 1/5] mtd: st_spi_fsm: Remove useless consts from function arguments From: Joe Perches To: Brian Norris Date: Thu, 20 Mar 2014 05:44:45 -0700 In-Reply-To: References: <1395313907-25318-1-git-send-email-lee.jones@linaro.org> <1395313907-25318-2-git-send-email-lee.jones@linaro.org> <1395314713.7776.17.camel@joe-AO722> <20140320114123.GE21349@lee--X1> <1395316090.7776.24.camel@joe-AO722> <20140320115412.GU31517@norris-Latitude-E6410> <20140320120307.GA9240@lee--X1> <1395317630.7776.29.camel@joe-AO722> Content-Type: text/plain; charset="ISO-8859-1" Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Cc: Angus CLARK , kernel@stlinux.com, Lee Jones , Linux Kernel , "linux-mtd@lists.infradead.org" , David Woodhouse , "linux-arm-kernel@lists.infradead.org" List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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.