usb: musb: gadget: kill duplicate code in musb_gadget_queue()

musb_gadget_queue() checks for '!req->buf' condition twice:
in the second case the code is both duplicated and unreachable
as the first check returns early.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index f37b859..36cfd06 100644 (file)
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1169,8 +1169,6 @@ static int musb_gadget_queue(struct usb_ep *ep, struct usb_request *req,
                                                : DMA_FROM_DEVICE);
                        request->mapped = 0;
                }
-       } else if (!req->buf) {
-               return -ENODATA;
        } else
                request->mapped = 0;