Hi, kbuild test robot <fengguang.wu@xxxxxxxxx> writes: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git next > head: af982758d0a9e5189e657de2bbab2f65f16c48cc > commit: b8bd28e32e5fc3ad2d8c80ad3978fabb523a1763 [21/42] usb: gadget: f_midi: Use snd_card_free_when_closed with refcount > config: i386-randconfig-x075-201733 (attached as .config) > compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 > reproduce: > git checkout b8bd28e32e5fc3ad2d8c80ad3978fabb523a1763 > # save the attached .config to linux build tree > make ARCH=i386 > > All errors (new ones prefixed by >>): > > drivers/usb/gadget/function/f_midi.c: In function 'f_midi_register_card': >>> drivers/usb/gadget/function/f_midi.c:836:24: error: 'f_midi_rmidi_free' undeclared (first use in this function) > rmidi->private_free = f_midi_rmidi_free; > ^~~~~~~~~~~~~~~~~ > drivers/usb/gadget/function/f_midi.c:836:24: note: each undeclared identifier is reported only once for each function it appears in > At top level: > drivers/usb/gadget/function/f_midi.c:1249:13: warning: 'f_midi_rmidi_free' defined but not used [-Wunused-function] > static void f_midi_rmidi_free(struct snd_rawmidi *rmidi) > ^~~~~~~~~~~~~~~~~ > > vim +/f_midi_rmidi_free +836 drivers/usb/gadget/function/f_midi.c I'll fix it up locally, thanks @@ -109,6 +109,7 @@ static inline struct f_midi *func_to_midi(struct usb_function *f) } static void f_midi_transmit(struct f_midi *midi); +static void f_midi_rmidi_free(struct snd_rawmidi *rmidi); DECLARE_UAC_AC_HEADER_DESCRIPTOR(1); DECLARE_USB_MIDI_OUT_JACK_DESCRIPTOR(1); -- balbi
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