linux-kernel - [PATCH 2/3] phy: twl4030-usb: handle usb_add_phy

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Date:   Thu, 25 May 2017 21:58:26 +0200
From:   Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>
To:     Kishon Vijay Abraham I <kishon@...com>
Cc:     linux-kernel@...r.kernel.org, kernel@...gutronix.de
Subject: [PATCH 2/3] phy: twl4030-usb: handle usb_add_phy_dev return value

usb_add_phy_dev can fail, so propagate this error instead of ignoring
that.

Fixes: 6747caa76cab ("usb: phy: twl4030: use the new generic PHY framework")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
---
 drivers/phy/phy-twl4030-usb.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/phy/phy-twl4030-usb.c b/drivers/phy/phy-twl4030-usb.c
index 07cb0150d008..6aefbd55fcee 100644
--- a/drivers/phy/phy-twl4030-usb.c
+++ b/drivers/phy/phy-twl4030-usb.c
@@ -723,7 +723,10 @@ static int twl4030_usb_probe(struct platform_device *pdev)
 		dev_err(&pdev->dev, "ldo init failed\n");
 		return err;
 	}
-	usb_add_phy_dev(&twl->phy);
+
+	err = usb_add_phy_dev(&twl->phy);
+	if (err)
+		return err;
 
 	platform_set_drvdata(pdev, twl);
 	if (device_create_file(&pdev->dev, &dev_attr_vbus))
-- 
2.11.0