usb: gadget: f_sourcesink: quit if usb_ep_queue returns error

Since now, we may have more than one request during the test, and
it is better we just quit once the error occurs instead of try
queueing further requests.

Signed-off-by: Peter Chen <peter.chen@freescale.com>
Suggested-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Reviewed-by: Krzysztof Opasiak <k.opasiak@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/gadget/function/f_sourcesink.c b/drivers/usb/gadget/function/f_sourcesink.c
index 12e3eb4ee140e018653c4af3aebf2eedf2ae9a04..242ba5caffe5898a2f4922c848d8ae1f2e264cad 100644 (file)
--- a/drivers/usb/gadget/function/f_sourcesink.c
+++ b/drivers/usb/gadget/function/f_sourcesink.c
@@ -629,6 +629,7 @@ static int source_sink_start_ep(struct f_sourcesink *ss, bool is_in,
                              is_iso ? "ISO-" : "", is_in ? "IN" : "OUT",
                              ep->name, status);
                        free_ep_req(ep, req);
+                       return status;
                }
        }