clk_prepare_enable() can fail here and we must check its return value.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
drivers/usb/gadget/udc/mv_udc_core.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/gadget/udc/mv_udc_core.c b/drivers/usb/gadget/udc/mv_udc_core.c
index 76f56c5..8a708d0 100644
--- a/drivers/usb/gadget/udc/mv_udc_core.c
+++ b/drivers/usb/gadget/udc/mv_udc_core.c
@@ -960,9 +960,9 @@ static int mv_ep_set_wedge(struct usb_ep *_ep)
.fifo_flush = mv_ep_fifo_flush, /* flush fifo */
};
-static void udc_clock_enable(struct mv_udc *udc)
+static int udc_clock_enable(struct mv_udc *udc)
{
- clk_prepare_enable(udc->clk);
+ return clk_prepare_enable(udc->clk);
}
static void udc_clock_disable(struct mv_udc *udc)
@@ -1070,7 +1070,10 @@ static int mv_udc_enable_internal(struct mv_udc *udc)
return 0;
dev_dbg(&udc->dev->dev, "enable udc\n");
- udc_clock_enable(udc);
+ retval = udc_clock_enable(udc);
+ if (retval)
+ return retval;
+
if (udc->pdata->phy_init) {
retval = udc->pdata->phy_init(udc->phy_regs);
if (retval) {
--
1.9.1
--
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