linux-kernel - [PATCH] tty: serial: 8250_mtk: Use PTR_ERR_OR

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Message-Id: <1503815501-9205-1-git-send-email-himanshujha199640@gmail.com>
Date:   Sun, 27 Aug 2017 12:01:41 +0530
From:   Himanshu Jha <himanshujha199640@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     jslaby@...e.com, matthias.bgg@...il.com,
        linux-serial@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Himanshu Jha <himanshujha199640@...il.com>
Subject: [PATCH] tty: serial: 8250_mtk: Use PTR_ERR_OR_ZERO

Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Signed-off-by: Himanshu Jha <himanshujha199640@...il.com>
---
 drivers/tty/serial/8250/8250_mtk.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/tty/serial/8250/8250_mtk.c b/drivers/tty/serial/8250/8250_mtk.c
index ce0cc47..fb45770 100644
--- a/drivers/tty/serial/8250/8250_mtk.c
+++ b/drivers/tty/serial/8250/8250_mtk.c
@@ -171,10 +171,7 @@ static int mtk8250_probe_of(struct platform_device *pdev, struct uart_port *p,
 	}
 
 	data->bus_clk = devm_clk_get(&pdev->dev, "bus");
-	if (IS_ERR(data->bus_clk))
-		return PTR_ERR(data->bus_clk);
-
-	return 0;
+	return PTR_ERR_OR_ZERO(data->bus_clk);
 }
 
 static int mtk8250_probe(struct platform_device *pdev)
-- 
2.7.4