These snd_rawmidi_ops structures are only passed as the third argument of snd_rawmidi_set_ops. This argument is const, so the snd_rawmidi_ops structures can be const too.

Done with the help of Coccinelle.

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drivers/hid/hid-prodikeys.c | 2 +- drivers/usb/gadget/function/f_midi.c | 4 ++-- sound/firewire/motu/motu-midi.c | 4 ++-- 3 files changed, 5 insertions(+), 5 deletions(-)