linux-kernel - Re: [Outreachy kernel] [PATCH] staging: vboxvideo: Removed unnecessary parentheses

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Date:   Tue, 23 Oct 2018 06:43:21 +0100 (BST)
From:   Julia Lawall <julia.lawall@...6.fr>
To:     Shayenne da Luz Moura <shayenneluzmoura@...il.com>
cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Michael Thayer <michael.thayer@...cle.com>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        outreachy-kernel@...glegroups.com
Subject: Re: [Outreachy kernel] [PATCH] staging: vboxvideo: Removed unnecessary
 parentheses



On Mon, 22 Oct 2018, Shayenne da Luz Moura wrote:

> This patch fixes the checkpatch.pl check:
>
> vbox_main.c:119: CHECK: Unnecessary parentheses around 'rects[i].x2 <
> crtc->x'
> vbox_main.c:119: CHECK: Unnecessary parentheses around 'rects[i].y2 <
> crtc->y'

Please use the imperative, in the subject line and in the patch.  Also,
try to say something other than "fixes" about what you do, which is not
very descriptive.  Say what you actually did and why, eg remove unneeded
parentheses around the arguments of || to reduce clutter.

It is useful to mention that the change was suggested by checkpatch.  It
is not essential to copy the whole checkpatch message, or at least not all
of them.

thanks,
julia

>
> Signed-off-by: Shayenne da Luz Moura <shayenneluzmoura@...il.com>
> ---
>  drivers/staging/vboxvideo/vbox_main.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/staging/vboxvideo/vbox_main.c b/drivers/staging/vboxvideo/vbox_main.c
> index 429f6a453619..10a862674789 100644
> --- a/drivers/staging/vboxvideo/vbox_main.c
> +++ b/drivers/staging/vboxvideo/vbox_main.c
> @@ -116,10 +116,10 @@ void vbox_framebuffer_dirty_rectangles(struct drm_framebuffer *fb,
>  			struct vbva_cmd_hdr cmd_hdr;
>  			unsigned int crtc_id = to_vbox_crtc(crtc)->crtc_id;
>
> -			if ((rects[i].x1 > crtc->x + crtc->hwmode.hdisplay) ||
> -			    (rects[i].y1 > crtc->y + crtc->hwmode.vdisplay) ||
> -			    (rects[i].x2 < crtc->x) ||
> -			    (rects[i].y2 < crtc->y))
> +			if (rects[i].x1 > crtc->x + crtc->hwmode.hdisplay ||
> +			    rects[i].y1 > crtc->y + crtc->hwmode.vdisplay ||
> +			    rects[i].x2 < crtc->x ||
> +			    rects[i].y2 < crtc->y)
>  				continue;
>
>  			cmd_hdr.x = (s16)rects[i].x1;
> --
> 2.19.1
>
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