linux-kernel - Re: [PATCH 02/10] staging:rtl8192u: Refactor use of enum dm_dig_sta_e

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Date:   Sun, 29 Jul 2018 10:17:26 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     John Whitmore <johnfwhitmore@...il.com>
Cc:     linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org
Subject: Re: [PATCH 02/10] staging:rtl8192u: Refactor use of enum
 dm_dig_sta_e - Style

On Sat, Jul 28, 2018 at 12:28:18AM +0100, John Whitmore wrote:
> Refactor the use of the enumerated type dm_dig_sta_e, which is not
> actually used for type checking by the compiler.
> 
> The enumerated type defines values for the enumeration, which are used
> by both dig_state and dig_highpwr_state, (members of the struct dig).
> Both of those variables were defined as being of type u8. This negates
> any usefulness of the use of the enumeration, (compiler type checking).
> 
> To make use of the compiler's type-checking the two member variables,
> dig_state and dig_highpwr_state have been changed to being of type
> enum dm_dig_sta_e. The enumerated type has been moved above the
> struct dig definition so that the enumeration is already defined when
> compiler reaches the two types using the enumerated type.
> 
> In addition the 'typedef' of the enumerated type has been removed to
> clear the checkpatch issue with declaring new types.
> 
> These changes, whilst convoluted, are purely coding style in nature and
> should not impact runtime code execution.
> 
> Signed-off-by: John Whitmore <johnfwhitmore@...il.com>
> ---
>  drivers/staging/rtl8192u/r8192U_dm.h | 18 +++++++++---------
>  1 file changed, 9 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/staging/rtl8192u/r8192U_dm.h b/drivers/staging/rtl8192u/r8192U_dm.h
> index e86dda99c223..2444e1c1357b 100644
> --- a/drivers/staging/rtl8192u/r8192U_dm.h
> +++ b/drivers/staging/rtl8192u/r8192U_dm.h
> @@ -64,6 +64,13 @@
>  
>  
>  /*------------------------------Define structure----------------------------*/
> +
> +enum dm_dig_sta_e {

Don't end an enum with "_e", as that's not needed at all.

thanks,

greg k-h