[PATCH v4 4/7] usb: gadget: f_midi: fix leak on failed to enqueue out requests

[Felipe F. Tonello]

This patch fixes a memory leak that occurs when an endpoint fails to enqueue
the request. If that happens the complete function will never be called, thus
never freeing the request.

Signed-off-by: Felipe F. Tonello <eu@xxxxxxxxxxxxxxxxx>
---
 drivers/usb/gadget/function/f_midi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c
index 4c01c8a..0e9cdeb 100644
--- a/drivers/usb/gadget/function/f_midi.c
+++ b/drivers/usb/gadget/function/f_midi.c
@@ -344,6 +344,7 @@ static int f_midi_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
 		if (err) {
 			ERROR(midi, "%s queue req: %d\n",
 				    midi->out_ep->name, err);
+			free_ep_req(midi->out_ep, req);
 		}
 	}
 
-- 
2.1.4

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