On Fri, 2017-01-06 at 14:33 -0800, Sainath Grandhi wrote:
> +static int tap_list_add(dev_t major, const char *device_name)
> +{
> + int err = 0;
> + struct major_info *tap_major;
> +
> + tap_major = kzalloc(sizeof(*tap_major), GFP_ATOMIC);
> +
> + tap_major->major = MAJOR(major);
> +kzalloc() can perfectly return NULL. You do not want to crash it that happens.
