diff options
Diffstat (limited to 'drivers/usb/musb/musb_gadget_ep0.c')
| -rw-r--r-- | drivers/usb/musb/musb_gadget_ep0.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/usb/musb/musb_gadget_ep0.c b/drivers/usb/musb/musb_gadget_ep0.c index 18da4873e52e..91a5027b5c1f 100644 --- a/drivers/usb/musb/musb_gadget_ep0.c +++ b/drivers/usb/musb/musb_gadget_ep0.c @@ -89,15 +89,19 @@ static int service_tx_status_request( } is_in = epnum & USB_DIR_IN; - if (is_in) { - epnum &= 0x0f; + epnum &= 0x0f; + if (epnum >= MUSB_C_NUM_EPS) { + handled = -EINVAL; + break; + } + + if (is_in) ep = &musb->endpoints[epnum].ep_in; - } else { + else ep = &musb->endpoints[epnum].ep_out; - } regs = musb->endpoints[epnum].regs; - if (epnum >= MUSB_C_NUM_EPS || !ep->desc) { + if (!ep->desc) { handled = -EINVAL; break; } |