linux-kernel - [PATCH v3 1/4] usb: gadget: f_midi: free usb request when done

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Message-Id: <1443528119-31830-2-git-send-email-eu@felipetonello.com>
Date:	Tue, 29 Sep 2015 13:01:56 +0100
From:	"Felipe F. Tonello" <eu@...ipetonello.com>
To:	linux-usb@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Peter Chen <Peter.Chen@...escale.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Felipe Balbi <balbi@...com>,
	Andrzej Pietrasiewicz <andrzej.p@...sung.com>,
	"Felipe F. Tonello" <eu@...ipetonello.com>
Subject: [PATCH v3 1/4] usb: gadget: f_midi: free usb request when done

req->actual == req->length means that there is no data left to enqueue,
so free the request.

Signed-off-by: Felipe F. Tonello <eu@...ipetonello.com>
---
 drivers/usb/gadget/function/f_midi.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c
index edb84ca..93212ca 100644
--- a/drivers/usb/gadget/function/f_midi.c
+++ b/drivers/usb/gadget/function/f_midi.c
@@ -256,9 +256,8 @@ 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);
+			/* Our transmit completed. Don't queue it again. */
+			free_ep_req(ep, req);
 			return;
 		}
 		break;
-- 
2.1.4

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