[PATCH] usb: dwc3: ep0: make sure wValue is 0 on GetStatus()

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We don't (yet) support PTM_STATUS messages so let's not reply to them
erroneously.

Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx>
---
 drivers/usb/dwc3/ep0.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 8cfce8425101..827e376bfa97 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -319,10 +319,16 @@ static int dwc3_ep0_handle_status(struct dwc3 *dwc,
 {
 	struct dwc3_ep		*dep;
 	u32			recip;
+	u32			value;
 	u32			reg;
 	u16			usb_status = 0;
 	__le16			*response_pkt;
 
+	/* We don't support PTM_STATUS */
+	value = le16_to_cpu(ctrl->wValue);
+	if (value != 0)
+		return -EINVAL;
+
 	recip = ctrl->bRequestType & USB_RECIP_MASK;
 	switch (recip) {
 	case USB_RECIP_DEVICE:
-- 
2.11.0.295.gd7dffce1ce

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