Re: [patch 3/3] flex_array: declare parts member to have incomplete type

[Dave Hansen <dave@linux.vnet.ibm.com>]

On Mon, 2009-08-17 at 16:46 -0700, David Rientjes wrote:
> The `parts' member of struct flex_array should evaluate to an incomplete
> type so that sizeof() cannot be used and C99 does not require the
> zero-length specification.
> 
> Cc: Dave Hansen <dave@linux.vnet.ibm.com>
> Signed-off-by: David Rientjes <rientjes@google.com>
> ---
>  include/linux/flex_array.h |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/include/linux/flex_array.h b/include/linux/flex_array.h
> --- a/include/linux/flex_array.h
> +++ b/include/linux/flex_array.h
> @@ -21,7 +21,7 @@ struct flex_array {
>  		struct {
>  			int element_size;
>  			int total_nr_elements;
> -			struct flex_array_part *parts[0];
> +			struct flex_array_part *parts[];
>  		};
>  		/*
>  		 * This little trick makes sure that

That's a good little trick.  I don't see any downside to it. 

Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com>

-- Dave