usb: gadget: composite: Clear reserved fields of SSP Dev Cap
authorJohn Youn <johnyoun@synopsys.com>
Fri, 8 Apr 2016 21:46:31 +0000 (14:46 -0700)
committerFelipe Balbi <felipe.balbi@linux.intel.com>
Mon, 18 Apr 2016 09:35:17 +0000 (12:35 +0300)
Set the reserved fields of the SuperSpeed Plus Device Capability
descriptor to 0. Otherwise there might be stale data there which will
cause USB CV to fail.

Fixes: f228a8de242a ("usb: gadget: composite: Return SSP Dev Cap descriptor")
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
drivers/usb/gadget/composite.c

index de9ffd6..524e233 100644 (file)
@@ -651,6 +651,8 @@ static int bos_desc(struct usb_composite_dev *cdev)
                ssp_cap->bLength = USB_DT_USB_SSP_CAP_SIZE(1);
                ssp_cap->bDescriptorType = USB_DT_DEVICE_CAPABILITY;
                ssp_cap->bDevCapabilityType = USB_SSP_CAP_TYPE;
+               ssp_cap->bReserved = 0;
+               ssp_cap->wReserved = 0;
 
                /* SSAC = 1 (2 attributes) */
                ssp_cap->bmAttributes = cpu_to_le32(1);