Re: [PATCH] checkpatch.pl: add union and struct to the exceptions list

[Andrew Morton <akpm@linux-foundation.org>]

On Wed, 06 Jan 2010 17:46:00 +0100
Stefani Seibold <stefani@seibold.net> wrote:

> This patch add the struct and union keywords to the exceptions list of
> the checkpatch.pl script, to prevent error message "Macros with multiple
> statements should be enclosed in a do - while loop". Otherwise it is not
> possible to build a struct or union with a macro. 
> 
> Signed-off-by: Stefani Seibold <stefani@seibold.net>
> ---
>  checkpatch.pl |    2 ++
>  1 file changed, 2 insertions(+)
> 
> --- linux-2.6.33-rc2.orig/scripts/checkpatch.pl	2009-12-03 04:51:21.000000000 +0100
> +++ linux-2.6.33-rc2.new/scripts/checkpatch.pl	2010-01-06 17:35:29.747634447 +0100
> @@ -2348,6 +2348,8 @@ sub process {
>  				DECLARE_PER_CPU|
>  				DEFINE_PER_CPU|
>  				__typeof__\(|
> +				union|
> +				struct|
>  				\.$Ident\s*=\s*|
>  				^\"|\"$
>  			}x;

hm.  Perhaps it would help if you could provide a snippet of code which
triggers the incorrect warning?