linux-kernel - Re: [PATCH 09/12] nubus: use for_each

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Date:   Mon, 9 Jul 2018 20:17:29 +1000 (AEST)
From:   Finn Thain <fthain@...egraphics.com.au>
To:     Daniel Vetter <daniel.vetter@...ll.ch>
cc:     LKML <linux-kernel@...r.kernel.org>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        Intel Graphics Development <intel-gfx@...ts.freedesktop.org>,
        Daniel Vetter <daniel.vetter@...el.com>,
        linux-m68k@...ts.linux-m68k.org
Subject: Re: [PATCH 09/12] nubus: use for_each_if

On Mon, 9 Jul 2018, Daniel Vetter wrote:

> Avoids the inverted check compared to the open-coded version.
> 
> Signed-off-by: Daniel Vetter <daniel.vetter@...el.com>
> Cc: Finn Thain <fthain@...egraphics.com.au>
> Cc: linux-m68k@...ts.linux-m68k.org

Acked-by: Finn Thain <fthain@...egraphics.com.au>

> ---
>  include/linux/nubus.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/include/linux/nubus.h b/include/linux/nubus.h
> index eba50b057f6f..17fd07578ef7 100644
> --- a/include/linux/nubus.h
> +++ b/include/linux/nubus.h
> @@ -127,7 +127,7 @@ struct nubus_rsrc *nubus_next_rsrc_or_null(struct nubus_rsrc *from);
>  	for (f = nubus_first_rsrc_or_null(); f; f = nubus_next_rsrc_or_null(f))
>  
>  #define for_each_board_func_rsrc(b, f) \
> -	for_each_func_rsrc(f) if (f->board != b) {} else
> +	for_each_func_rsrc(f) for_each_if (f->board == b)
>  
>  /* These are somewhat more NuBus-specific.  They all return 0 for
>     success and -1 for failure, as you'd expect. */
>