From: Johan Hovold <johan@kernel.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jirislaby@kernel.org>,
linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org,
Johan Hovold <johan@kernel.org>
Subject: [PATCH 7/8] serial: core: drop redundant TIOCGSERIAL memset
Date: Wed, 7 Apr 2021 11:52:07 +0200 [thread overview]
Message-ID: <20210407095208.31838-8-johan@kernel.org> (raw)
In-Reply-To: <20210407095208.31838-1-johan@kernel.org>
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@kernel.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
next prev parent reply other threads:[~2021-04-07 9:52 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-07 9:52 [PATCH 0/8] tty: ioctl fixes and cleanups Johan Hovold
2021-04-07 9:52 ` [PATCH 1/8] tty: actually undefine superseded ASYNC flags Johan Hovold
2021-04-07 9:52 ` [PATCH 2/8] tty: fix return value for unsupported ioctls Johan Hovold
2021-04-07 9:52 ` [PATCH 3/8] tty: fix return value for unsupported termiox ioctls Johan Hovold
2021-04-07 9:52 ` [PATCH 4/8] tty: use pr_warn_ratelimited() for deprecated serial flags Johan Hovold
2021-04-07 9:52 ` [PATCH 5/8] tty: refactor TIOCSSERIAL handling Johan Hovold
2021-04-07 9:52 ` [PATCH 6/8] tty: add ASYNC_SPLIT_TERMIOS to deprecation mask Johan Hovold
2021-04-07 9:52 ` Johan Hovold [this message]
2021-04-07 9:52 ` [PATCH 8/8] serial: core: return early on unsupported ioctls Johan Hovold
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