usb: gadget: f_midi: fix leak on failed to enqueue out requests

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@felipetonello.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c
index 7877aa8e2aec54ec0b7bb80de1e82012e4556780..898a570319f17c3128b7a44878ebc09ea7242961 100644 (file)
--- a/drivers/usb/gadget/function/f_midi.c
+++ b/drivers/usb/gadget/function/f_midi.c
@@ -370,6 +370,7 @@ 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);
                }
        }