usb_dc_stm32: Fix check endpoint capabilities

DT_USB_NUM_BIDIR_ENDPOINTS includes EP0, which we should not
take it into account when we check endpoint capabilities

Signed-off-by: Yannis Damigos <giannis.damigos@gmail.com>
This commit is contained in:
Yannis Damigos 2019-02-09 20:48:44 +02:00 committed by Kumar Gala
commit 6a676caab6

View file

@ -557,7 +557,7 @@ int usb_dc_ep_check_cap(const struct usb_dc_ep_cfg_data * const cfg)
return -1;
}
if (ep_idx > DT_USB_NUM_BIDIR_ENDPOINTS) {
if (ep_idx > (DT_USB_NUM_BIDIR_ENDPOINTS - 1)) {
LOG_ERR("endpoint index/address out of range");
return -1;
}