linux-kernel - Re: [PATCH 11/13] checkpatch: struct file

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Date:	Mon, 8 Dec 2008 19:30:43 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Andy Whitcroft <apw@...dowen.org>
Cc:	Andrew Morton <akpm@...l.org>, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 11/13] checkpatch: struct file_operations should
	normally be const

On Sun, Dec 07, 2008 at 06:30:48PM +0000, Andy Whitcroft wrote:
> From: Andy Whitcroft <apw@...onical.com>
> 
> In the general use case struct file_operations should be a const object.
> Check for and warn where it is not.  As suggested by Steven and Ingo.

Andy,

Thanks for doing this!

Acked-by: Steven Rostedt <rostedt@...dmis.org>

-- Steve

> 
> Cc: Steven Rostedt <rostedt@...dmis.org>
> Cc: Ingo Molnar <mingo@...e.hu>
> Signed-off-by: Andy Whitcroft <apw@...onical.com>
> ---
>  scripts/checkpatch.pl |    5 +++++
>  1 files changed, 5 insertions(+), 0 deletions(-)
> 
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index c39ce0b..94371f6 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -2509,6 +2509,11 @@ sub process {
>  		if ($line =~ /^.\s*__initcall\s*\(/) {
>  			WARN("please use device_initcall() instead of __initcall()\n" . $herecurr);
>  		}
> +# check for struct file_operations, ensure they are const.
> +		if ($line =~ /\bstruct\s+file_operations\b/ &&
> +		    $line !~ /\bconst\b/) {
> +			WARN("struct file_operations should normally be const\n" . $herecurr);
> +		}
>  
>  # use of NR_CPUS is usually wrong
>  # ignore definitions of NR_CPUS and usage to define arrays as likely right
> -- 
> 1.6.0.4.911.gc990
> 
> --
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