Re: [PATCH v2 2/3] usb: gadget: f_midi: free usb request when done

From: Sergei Shtylyov
Date: Wed Sep 23 2015 - 09:13:04 EST


Hello.

On 9/23/2015 3:01 PM, Felipe F. Tonello wrote:

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. */

The preferred multi-line comment style is this:

/*
* bla
* bla
*/

MBR, Sergei

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