diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/class/cdc-acm.c | 3 | ||||
| -rw-r--r-- | drivers/usb/core/devio.c | 9 |
2 files changed, 8 insertions, 4 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 84e69ea..c8fee56 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -895,6 +895,9 @@ static int acm_probe(struct usb_interface *intf, if (quirks == NO_UNION_NORMAL) { data_interface = usb_ifnum_to_if(usb_dev, 1); control_interface = usb_ifnum_to_if(usb_dev, 0); + /* we would crash */ + if (!data_interface || !control_interface) + return -ENODEV; goto skip_normal_probe; } diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index 461e785..8aff636 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -1012,10 +1012,11 @@ static int proc_getdriver(struct dev_state *ps, void __user *arg) static int proc_connectinfo(struct dev_state *ps, void __user *arg) { - struct usbdevfs_connectinfo ci = { - .devnum = ps->dev->devnum, - .slow = ps->dev->speed == USB_SPEED_LOW - }; + struct usbdevfs_connectinfo ci; + + memset(&ci, 0, sizeof(ci)); + ci.devnum = ps->dev->devnum; + ci.slow = ps->dev->speed == USB_SPEED_LOW; if (copy_to_user(arg, &ci, sizeof(ci))) return -EFAULT; |