[PATCH 4/9] usb: cdns3: Improvement: return IRQ_NONE explicitly.

[Pawel Laszczak]

IRQ_NONE can be returned indirect.

Signed-off-by: Pawel Laszczak <pawell@xxxxxxxxxxx>
---
 drivers/usb/cdns3/drd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/cdns3/drd.c b/drivers/usb/cdns3/drd.c
index 6d2da504ad49..05a9f7d54c46 100644
--- a/drivers/usb/cdns3/drd.c
+++ b/drivers/usb/cdns3/drd.c
@@ -279,12 +279,12 @@ static irqreturn_t cdns3_drd_irq(int irq, void *data)
 	u32 reg;
 
 	if (cdns->dr_mode != USB_DR_MODE_OTG)
-		return ret;
+		return IRQ_NONE;
 
 	reg = readl(&cdns->otg_regs->ivect);
 
 	if (!reg)
-		return ret;
+		return IRQ_NONE;
 
 	if (reg & OTGIEN_ID_CHANGE_INT) {
 		dev_dbg(cdns->dev, "OTG IRQ: new ID: %d\n",
-- 
2.17.1