Messages in this thread Patch in this message | | | From | "Felipe F. Tonello" <> | Subject | [PATCH v2 2/3] usb: gadget: f_midi: free usb request when done | Date | Wed, 23 Sep 2015 13:01:44 +0100 |
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req->actual == req->length means that there is no data left to enqueue, so free the request.
Signed-off-by: Felipe F. Tonello <eu@felipetonello.com> ---
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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