linux-kernel - [PATCH l] fbdev: fbmem: use swap() to make code cleaner

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Message-Id: <20211028110847.15516-1-deng.changcheng@zte.com.cn>
Date:   Thu, 28 Oct 2021 11:08:47 +0000
From:   cgel.zte@...il.com
To:     daniel.vetter@...ll.ch
Cc:     sam@...nborg.org, willy@...radead.org, deng.changcheng@....com.cn,
        thunder.leizhen@...wei.com, jgg@...pe.ca,
        penguin-kernel@...ove.sakura.ne.jp, zheyuma97@...il.com,
        xiyuyang19@...an.edu.cn, dri-devel@...ts.freedesktop.org,
        linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH l] fbdev: fbmem: use swap() to make code cleaner

From: Changcheng Deng <deng.changcheng@....com.cn>

Use swap() in order to make code cleaner. Issue found by coccinelle.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Changcheng Deng <deng.changcheng@....com.cn>
---
 drivers/video/fbdev/core/fbmem.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index 826175ad88a2..2c8e6feef0c9 100644
--- a/drivers/video/fbdev/core/fbmem.c
+++ b/drivers/video/fbdev/core/fbmem.c
@@ -396,18 +396,14 @@ static void fb_rotate_logo(struct fb_info *info, u8 *dst,
 	} else if (rotate == FB_ROTATE_CW) {
 		fb_rotate_logo_cw(image->data, dst, image->width,
 				  image->height);
-		tmp = image->width;
-		image->width = image->height;
-		image->height = tmp;
+		swap(image->width, image->height);
 		tmp = image->dy;
 		image->dy = image->dx;
 		image->dx = info->var.xres - image->width - tmp;
 	} else if (rotate == FB_ROTATE_CCW) {
 		fb_rotate_logo_ccw(image->data, dst, image->width,
 				   image->height);
-		tmp = image->width;
-		image->width = image->height;
-		image->height = tmp;
+		swap(image->width, image->height);
 		tmp = image->dx;
 		image->dx = image->dy;
 		image->dy = info->var.yres - image->height - tmp;
-- 
2.25.1