From 56f3bd1cd31fe1caefb13189b351640c40d5d2b0 Mon Sep 17 00:00:00 2001
From: Andrey Smirnov <andrew.smirnov@gmail.com>
Date: Wed, 8 Mar 2017 14:09:00 -0800
Subject: [PATCH] usb: ohci-at91: Check result of clk_get()

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 drivers/usb/host/ohci-at91.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 0f5c8f130..ca583ff4d 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -47,7 +47,16 @@ static int at91_ohci_probe(struct device_d *dev)
 	struct ohci_regs __iomem *regs = (struct ohci_regs __iomem *)dev->resource[0].start;
 
 	iclk = clk_get(NULL, "ohci_clk");
+	if (IS_ERR(iclk)) {
+		dev_err(dev, "Failed to get 'ohci_clk'\n");
+		return PTR_ERR(iclk);
+	}
+
 	fclk = clk_get(NULL, "uhpck");
+	if (IS_ERR(fclk)) {
+		dev_err(dev, "Failed to get 'uhpck'\n");
+		return PTR_ERR(fclk);
+	}
 
 	/*
 	 * Start the USB clocks.