linux-kernel - [PATCH 7/8] serial: core: drop redundant TIOCGSERIAL memset

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Message-Id: <20210407095208.31838-8-johan@kernel.org>
Date:   Wed,  7 Apr 2021 11:52:07 +0200
From:   Johan Hovold <johan@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Jiri Slaby <jirislaby@...nel.org>, linux-serial@...r.kernel.org,
        linux-kernel@...r.kernel.org, Johan Hovold <johan@...nel.org>
Subject: [PATCH 7/8] serial: core: drop redundant TIOCGSERIAL memset

Since commit 5099d234a52a ("serial_core: switch to ->[sg]et_serial()")
the serial structure passed to uart_get_info() has already have been
cleared by the tty layer so drop the redundant memset.

Signed-off-by: Johan Hovold <johan@...nel.org>
---
 drivers/tty/serial/serial_core.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index ba31e97d3d96..59336943a86f 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -759,8 +759,6 @@ static int uart_get_info(struct tty_port *port, struct serial_struct *retinfo)
 	struct uart_port *uport;
 	int ret = -ENODEV;
 
-	memset(retinfo, 0, sizeof(*retinfo));
-
 	/*
 	 * Ensure the state we copy is consistent and no hardware changes
 	 * occur as we go
-- 
2.26.3