linux-kernel - [PATCH net-next] net: mdio-mux-gpio: use devm_gpiod_get

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Date:   Tue, 21 Jul 2020 15:01:57 +0800
From:   Jisheng Zhang <Jisheng.Zhang@...aptics.com>
To:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH net-next] net: mdio-mux-gpio: use devm_gpiod_get_array()

Use devm_gpiod_get_array() to simplify the error handling and exit
code path.

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@...aptics.com>
---
 drivers/net/phy/mdio-mux-gpio.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/net/phy/mdio-mux-gpio.c b/drivers/net/phy/mdio-mux-gpio.c
index 6c8960df43b0..10a758fdc9e6 100644
--- a/drivers/net/phy/mdio-mux-gpio.c
+++ b/drivers/net/phy/mdio-mux-gpio.c
@@ -42,25 +42,21 @@ static int mdio_mux_gpio_probe(struct platform_device *pdev)
 	struct gpio_descs *gpios;
 	int r;
 
-	gpios = gpiod_get_array(&pdev->dev, NULL, GPIOD_OUT_LOW);
+	gpios = devm_gpiod_get_array(&pdev->dev, NULL, GPIOD_OUT_LOW);
 	if (IS_ERR(gpios))
 		return PTR_ERR(gpios);
 
 	s = devm_kzalloc(&pdev->dev, sizeof(*s), GFP_KERNEL);
-	if (!s) {
-		gpiod_put_array(gpios);
+	if (!s)
 		return -ENOMEM;
-	}
 
 	s->gpios = gpios;
 
 	r = mdio_mux_init(&pdev->dev, pdev->dev.of_node,
 			  mdio_mux_gpio_switch_fn, &s->mux_handle, s, NULL);
 
-	if (r != 0) {
-		gpiod_put_array(s->gpios);
+	if (r != 0)
 		return r;
-	}
 
 	pdev->dev.platform_data = s;
 	return 0;
@@ -70,7 +66,6 @@ static int mdio_mux_gpio_remove(struct platform_device *pdev)
 {
 	struct mdio_mux_gpio_state *s = dev_get_platdata(&pdev->dev);
 	mdio_mux_uninit(s->mux_handle);
-	gpiod_put_array(s->gpios);
 	return 0;
 }
 
-- 
2.28.0.rc0