linux-kernel - [PATCH] tty/serial: atmel: remove redundant assignment to ret

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Message-Id: <20190809174042.6276-1-colin.king@canonical.com>
Date:   Fri,  9 Aug 2019 18:40:42 +0100
From:   Colin King <colin.king@...onical.com>
To:     Richard Genoud <richard.genoud@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>,
        Nicolas Ferre <nicolas.ferre@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Ludovic Desroches <ludovic.desroches@...rochip.com>,
        linux-serial@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] tty/serial: atmel: remove redundant assignment to ret

From: Colin Ian King <colin.king@...onical.com>

Variable ret is initialized to a value that is never read and it
is re-assigned later. The initialization is redundant and can be
removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@...onical.com>
---
 drivers/tty/serial/atmel_serial.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 0b4f36905321..19a85d6fe3d2 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -2888,7 +2888,7 @@ static int atmel_serial_probe(struct platform_device *pdev)
 	struct atmel_uart_port *atmel_port;
 	struct device_node *np = pdev->dev.parent->of_node;
 	void *data;
-	int ret = -ENODEV;
+	int ret;
 	bool rs485_enabled;
 
 	BUILD_BUG_ON(ATMEL_SERIAL_RINGSIZE & (ATMEL_SERIAL_RINGSIZE - 1));
-- 
2.20.1