3.7-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

commit d185039f7982eb82cf8d03b6fb6689587ca5af24 upstream.

The HS descriptors are only created if HS is supported by the UDC but we
never free them.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Felipe Balbi <redacted>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/usb/gadget/f_midi.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/usb/gadget/f_midi.c
+++ b/drivers/usb/gadget/f_midi.c

@@ -415,6 +415,7 @@ static void f_midi_unbind(struct usb_con
 	midi->id = NULL;
 
 	usb_free_descriptors(f->descriptors);
+	usb_free_descriptors(f->hs_descriptors);
 	kfree(midi);
 }