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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@linux.intel.com>
This commit is contained in:
Felipe Balbi 2017-06-08 13:16:18 +03:00
parent 1aed4178ec
commit 9b0a1f95c4
1 changed files with 6 additions and 0 deletions
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6
drivers/usb/dwc3/ep0.c
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@ -319,10 +319,16 @@ static int dwc3_ep0_handle_status(struct dwc3 *dwc,
{ {
struct dwc3_ep *dep; struct dwc3_ep *dep;
u32 recip; u32 recip;
u32 value;
u32 reg; u32 reg;
u16 usb_status = 0; u16 usb_status = 0;
__le16 *response_pkt; __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; recip = ctrl->bRequestType & USB_RECIP_MASK;
switch (recip) { switch (recip) {
case USB_RECIP_DEVICE: case USB_RECIP_DEVICE: