free_ref 100 drivers/usb/gadget/function/f_midi.c unsigned char free_ref; free_ref 839 drivers/usb/gadget/function/f_midi.c midi->free_ref++; free_ref 1252 drivers/usb/gadget/function/f_midi.c if (!--midi->free_ref) { free_ref 1326 drivers/usb/gadget/function/f_midi.c midi->free_ref = 1;