Merge remote-tracking branch 'usb-gadget/next'

[linux] / drivers / usb / dwc3 / gadget.c

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 8425b6d..e83f84e 100644 (file)
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1109,7 +1109,7 @@ static void dwc3_prepare_one_trb_linear(struct dwc3_ep *dep,
        unsigned int maxp = usb_endpoint_maxp(dep->endpoint.desc);
        unsigned int rem = length % maxp;
 
-       if (rem && usb_endpoint_dir_out(dep->endpoint.desc)) {
+       if ((!length || rem) && usb_endpoint_dir_out(dep->endpoint.desc)) {
                struct dwc3     *dwc = dep->dwc;
                struct dwc3_trb *trb;