From: Will McVicker <willmcvicker@xxxxxxxxxx> commit 457a902ba1a73b7720666b21ca038cd19764db18 upstream. Needed for SuperSpeed Plus support for f_midi. This allows the gadget to work properly without crashing at SuperSpeed rates. Cc: Felipe Balbi <balbi@xxxxxxxxxx> Cc: stable <stable@xxxxxxxxxxxxxxx> Signed-off-by: Will McVicker <willmcvicker@xxxxxxxxxx> Reviewed-by: Peter Chen <peter.chen@xxxxxxx> Link: https://lore.kernel.org/r/20201127140559.381351-4-gregkh@xxxxxxxxxxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/usb/gadget/function/f_midi.c | 6 ++++++ 1 file changed, 6 insertions(+) --- a/drivers/usb/gadget/function/f_midi.c +++ b/drivers/usb/gadget/function/f_midi.c @@ -1048,6 +1048,12 @@ static int f_midi_bind(struct usb_config f->ss_descriptors = usb_copy_descriptors(midi_function); if (!f->ss_descriptors) goto fail_f_midi; + + if (gadget_is_superspeed_plus(c->cdev->gadget)) { + f->ssp_descriptors = usb_copy_descriptors(midi_function); + if (!f->ssp_descriptors) + goto fail_f_midi; + } } kfree(midi_function);
