video: fbmem: use swap() to make code cleaner in fb_rotate_logo()

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

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Changcheng Deng <deng.changcheng@zte.com.cn>
Signed-off-by: Helge Deller <deller@gmx.de>

diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c
index 0fa7ede..2966da1 100644 (file)
--- 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;