diff options
Diffstat (limited to 'drivers/usb/misc/idmouse.c')
| -rw-r--r-- | drivers/usb/misc/idmouse.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/misc/idmouse.c b/drivers/usb/misc/idmouse.c index debc1fd74b0d..502bfe30a077 100644 --- a/drivers/usb/misc/idmouse.c +++ b/drivers/usb/misc/idmouse.c @@ -17,6 +17,7 @@ */ #include <linux/kernel.h> +#include <linux/sched/signal.h> #include <linux/errno.h> #include <linux/delay.h> #include <linux/slab.h> @@ -346,6 +347,9 @@ static int idmouse_probe(struct usb_interface *interface, if (iface_desc->desc.bInterfaceClass != 0x0A) return -ENODEV; + if (iface_desc->desc.bNumEndpoints < 1) + return -ENODEV; + /* allocate memory for our device state and initialize it */ dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (dev == NULL) |