req->actual == req->length means that there is no data left to enqueue,
so free the request.
Signed-off-by: Felipe F. Tonello <eu@xxxxxxxxxxxxxxxxx>
---
Changes in v2:
* Re enqueue not fully completed requests, instead of read ALSA buffers.
drivers/usb/gadget/function/f_midi.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c
index edb84ca..62356cf 100644
--- a/drivers/usb/gadget/function/f_midi.c
+++ b/drivers/usb/gadget/function/f_midi.c
@@ -256,10 +256,12 @@ f_midi_complete(struct usb_ep *ep, struct usb_request *req)
/* We received stuff. req is queued again, below */
f_midi_handle_out_data(ep, req);
} else if (ep == midi->in_ep) {
- /* Our transmit completed. See if there's more to go.
- * f_midi_transmit eats req, don't queue it again. */
- f_midi_transmit(midi, req);
- return;
+ /* Our transmit completed. If there is no more to go,
+ don't queue it again. */
+ if (req->actual == req->length) {
+ free_ep_req(ep, req);
+ return;
+ }
}
break;
--
2.1.4
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