Commit af06d009 authored by Arvind Yadav's avatar Arvind Yadav Committed by Greg Kroah-Hartman
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usb: host: ohci-pxa27x: Handle return value of clk_prepare_enable 



clk_prepare_enable() can fail here and we must check its return value.

Signed-off-by: default avatarArvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent fd90f73a

drivers/usb/host/ohci-pxa27x.c

+7 −3
Original line number Diff line number Diff line
@@ -274,14 +274,16 @@ extern void pxa27x_clear_otgph(void); 


static int pxa27x_start_hc(struct pxa27x_ohci *pxa_ohci, struct device *dev)

{

	int retval = 0;

	int retval;

	struct pxaohci_platform_data *inf;

	uint32_t uhchr;

	struct usb_hcd *hcd = dev_get_drvdata(dev);



	inf = dev_get_platdata(dev);



	clk_prepare_enable(pxa_ohci->clk);

	retval = clk_prepare_enable(pxa_ohci->clk);

	if (retval)

		return retval;



	pxa27x_reset_hc(pxa_ohci);
@@ -296,8 +298,10 @@ static int pxa27x_start_hc(struct pxa27x_ohci *pxa_ohci, struct device *dev) 
	if (inf->init)

		retval = inf->init(dev);



	if (retval < 0)

	if (retval < 0) {

		clk_disable_unprepare(pxa_ohci->clk);

		return retval;

	}



	if (cpu_is_pxa3xx())

		pxa3xx_u2d_start_hc(&hcd->self);

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