IS_ALIGNED provides a much faster operation for
checking proper size alignment then a modulo
operation. Let's use it.
Reported-by: Pratyush Anand <pratyush.anand@xxxxxx>
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
---
drivers/usb/dwc3/ep0.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 15ec36e..477127a 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -799,7 +799,7 @@ static void __dwc3_ep0_do_control_data(struct dwc3 *dwc,
ret = dwc3_ep0_start_trans(dwc, dep->number,
dwc->ctrl_req_addr, 0,
DWC3_TRBCTL_CONTROL_DATA);
- } else if ((req->request.length % dep->endpoint.maxpacket)
+ } else if (!IS_ALIGNED(req->request.length, dep->endpoint.maxpacket)
&& (dep->number == 0)) {
u32 transfer_size;
--
1.7.10.2
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