linux-kernel - Re: [PATCH 6/7] staging:rtl8192u: Remove unused member variable

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Message-ID: <20180805142239.GA17309@kroah.com>
Date:   Sun, 5 Aug 2018 16:22:39 +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 6/7] staging:rtl8192u: Remove unused member variable -
 Style

On Sat, Aug 04, 2018 at 10:18:58AM +0100, John Whitmore wrote:
> Remove name of 'reserved' bitfield member which is simply used to pad
> the bitfield to a byte boundary. The actual bit has been left in place
> so alignment should not change. The name, which is not required has
> been removed.
> 
> This is a coding style change which should have no impact on runtime
> code execution.
> 
> Signed-off-by: John Whitmore <johnfwhitmore@...il.com>
> ---
>  drivers/staging/rtl8192u/ieee80211/ieee80211.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211.h b/drivers/staging/rtl8192u/ieee80211/ieee80211.h
> index 3cfeac0d7214..fc449806dab8 100644
> --- a/drivers/staging/rtl8192u/ieee80211/ieee80211.h
> +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211.h
> @@ -114,7 +114,7 @@ struct cb_desc {
>  	u8 bBroadcast:1;
>  	//u8 reserved2:2;
>  	u8 drv_agg_enable:1;
> -	u8 reserved2:1;
> +	u8:1;

No, this is ok, and a common thing to do.  Anonymous bit fields is not a
normal thing.

thanks,

greg k-h