From: Lorenzo Colitti <lorenzo@xxxxxxxxxx> [ Upstream commit 7974ecd7d3c0f42a98566f281e44ea8573a2ad88 ] Currently, enabling f_ncm at SuperSpeed Plus speeds results in an oops in config_ep_by_speed because ncm_set_alt passes in NULL ssp_descriptors. Fix this by re-using the SuperSpeed descriptors. This is safe because usb_assign_descriptors calls usb_copy_descriptors. Tested: enabled f_ncm on a dwc3 gadget and 10Gbps link, ran iperf Reviewed-by: Maciej Żenczykowski <maze@xxxxxxxxxx> Signed-off-by: Lorenzo Colitti <lorenzo@xxxxxxxxxx> Signed-off-by: Felipe Balbi <balbi@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/usb/gadget/function/f_ncm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c index ba8fa97a62cfd..4395ea07c1bb4 100644 --- a/drivers/usb/gadget/function/f_ncm.c +++ b/drivers/usb/gadget/function/f_ncm.c @@ -1548,7 +1548,7 @@ static int ncm_bind(struct usb_configuration *c, struct usb_function *f) fs_ncm_notify_desc.bEndpointAddress; status = usb_assign_descriptors(f, ncm_fs_function, ncm_hs_function, - ncm_ss_function, NULL); + ncm_ss_function, ncm_ss_function); if (status) goto fail; -- 2.25.1
