From: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Date: Fri, 10 Apr 2026 15:20:12 +0000 (-0400)
Subject: serial: core: simplify clipping logic in uart_get_baud_rate()
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1097aedec77674fe4f08f40b3f0bac26ea437fc0;p=thirdparty%2Fkernel%2Fstable.git

serial: core: simplify clipping logic in uart_get_baud_rate()

Simplify the clipping logic in uart_get_baud_rate() to improve code
readability.

Signed-off-by: Hugo Villeneuve <hvilleneuve@dimonoff.com>
Link: https://patch.msgid.link/20260410152022.2146488-5-hugo@hugovil.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index e6a8ab40442d..f89c0dc29516 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -543,11 +543,11 @@ uart_get_baud_rate(struct uart_port *port, struct ktermios *termios,
 		 */
 		if (!hung_up) {
 			if (baud <= min)
-				tty_termios_encode_baud_rate(termios,
-							min + 1, min + 1);
+				baud = min + 1;
 			else
-				tty_termios_encode_baud_rate(termios,
-							max - 1, max - 1);
+				baud = max - 1;
+
+			tty_termios_encode_baud_rate(termios, baud, baud);
 		}
 	}
 	return 0;