linux-kernel - [PATCH 4.19 46/86] tty:serial:mvebu-uart:fix a wrong return

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Message-Id: <20200310124533.290908144@linuxfoundation.org>
Date:   Tue, 10 Mar 2020 13:45:10 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, tangbin <tangbin@...s.chinamobile.com>,
        Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 4.19 46/86] tty:serial:mvebu-uart:fix a wrong return

From: tangbin <tangbin@...s.chinamobile.com>

commit 4a3e208474204e879d22a310b244cb2f39e5b1f8 upstream.

in this place, the function should return a
negative value and the PTR_ERR already returns
a negative,so return -PTR_ERR() is wrong.

Signed-off-by: tangbin <tangbin@...s.chinamobile.com>
Cc: stable <stable@...r.kernel.org>
Acked-by: Jiri Slaby <jslaby@...e.cz>
Link: https://lore.kernel.org/r/20200305013823.20976-1-tangbin@cmss.chinamobile.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/tty/serial/mvebu-uart.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/tty/serial/mvebu-uart.c
+++ b/drivers/tty/serial/mvebu-uart.c
@@ -840,7 +840,7 @@ static int mvebu_uart_probe(struct platf
 
 	port->membase = devm_ioremap_resource(&pdev->dev, reg);
 	if (IS_ERR(port->membase))
-		return -PTR_ERR(port->membase);
+		return PTR_ERR(port->membase);
 
 	mvuart = devm_kzalloc(&pdev->dev, sizeof(struct mvebu_uart),
 			      GFP_KERNEL);