[PATCH 32/45] usb: ohci-at91: Check result of clk_get()
Andrey Smirnov
andrew.smirnov at gmail.com
Mon Mar 6 14:53:43 PST 2017
Signed-off-by: Andrey Smirnov <andrew.smirnov at gmail.com>
---
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 0f5c8f1..c70d898 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 'iclk'\n");
+ return PTR_ERR(iclk);
+ }
+
fclk = clk_get(NULL, "uhpck");
+ if (IS_ERR(fclk)) {
+ dev_err(dev, "Failed to get 'fclk'\n");
+ return PTR_ERR(fclk);
+ }
/*
* Start the USB clocks.
--
2.9.3
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