diff options
Diffstat (limited to 'drivers/usb/host/max3421-hcd.c')
| -rw-r--r-- | drivers/usb/host/max3421-hcd.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/host/max3421-hcd.c b/drivers/usb/host/max3421-hcd.c index 0e17c988d36a..73e76d0e6973 100644 --- a/drivers/usb/host/max3421-hcd.c +++ b/drivers/usb/host/max3421-hcd.c @@ -1685,6 +1685,8 @@ max3421_hub_control(struct usb_hcd *hcd, u16 type_req, u16 value, u16 index, case ClearHubFeature: break; case ClearPortFeature: + if (index != 1) + goto error; switch (value) { case USB_PORT_FEAT_SUSPEND: break; @@ -1694,6 +1696,8 @@ max3421_hub_control(struct usb_hcd *hcd, u16 type_req, u16 value, u16 index, !pdata->vbus_active_level); fallthrough; default: + if (value >= 32) + goto error; max3421_hcd->port_status &= ~(1 << value); } break; @@ -1726,6 +1730,8 @@ max3421_hub_control(struct usb_hcd *hcd, u16 type_req, u16 value, u16 index, break; case SetPortFeature: + if (index != 1) + goto error; switch (value) { case USB_PORT_FEAT_LINK_STATE: case USB_PORT_FEAT_U1_TIMEOUT: @@ -1747,6 +1753,8 @@ max3421_hub_control(struct usb_hcd *hcd, u16 type_req, u16 value, u16 index, max3421_reset_port(hcd); fallthrough; default: + if (value >= 32) + goto error; if ((max3421_hcd->port_status & USB_PORT_STAT_POWER) != 0) max3421_hcd->port_status |= (1 << value); |