linux-kernel - [PATCH 1/6] tty: vt: do not open code DIV_ROUND

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Message-ID: <20251119092457.826789-2-jirislaby@kernel.org>
Date: Wed, 19 Nov 2025 10:24:52 +0100
From: "Jiri Slaby (SUSE)" <jirislaby@...nel.org>
To: gregkh@...uxfoundation.org
Cc: linux-serial@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"Jiri Slaby (SUSE)" <jirislaby@...nel.org>
Subject: [PATCH 1/6] tty: vt: do not open code DIV_ROUND_UP()

Use the designated DIV_ROUND_UP() macro instead of explicit addition
with division.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@...nel.org>
---
 drivers/tty/vt/vt.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 6e0089b85c27..59b4b5e126ba 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -4862,7 +4862,7 @@ static int con_font_get(struct vc_data *vc, struct console_font_op *op)
 			return ret;
 	}
 
-	c = (font.width+7)/8 * vpitch * font.charcount;
+	c = DIV_ROUND_UP(font.width, 8) * vpitch * font.charcount;
 
 	if (op->data && font.charcount > op->charcount)
 		return -ENOSPC;
@@ -4894,7 +4894,7 @@ static int con_font_set(struct vc_data *vc, const struct console_font_op *op)
 		return -EINVAL;
 	if (vpitch < op->height)
 		return -EINVAL;
-	size = (op->width+7)/8 * vpitch * op->charcount;
+	size = DIV_ROUND_UP(op->width, 8) * vpitch * op->charcount;
 	if (size > max_font_size)
 		return -ENOSPC;
 
-- 
2.51.1