due to a HW limitation we have a bounce buffer for ep0
out transfers which are not aligned with MaxPacketSize.
On such case we were not increment r->actual as we should.
This patch fixes that mistake.
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
---
drivers/usb/dwc3/ep0.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index a40d3bb..da43131 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -569,9 +569,10 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc,
dwc->ep0_bounced = false;
} else {
transferred = ur->length - length;
- ur->actual += transferred;
}
+ ur->actual += transferred;
+
if ((epnum & 1) && ur->actual < ur->length) {
/* for some reason we did not get everything out */
--
1.7.9.2
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