On Mon, Oct 09, 2017 at 05:51:51PM -0500, Mario Limonciello wrote:
> +static long wmi_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
> +{
> + struct wmi_driver *wdriver = NULL;
> + struct wmi_block *wblock = NULL;
> + const char *driver_name;
> + struct list_head *p;
> + int ret;
> +
> + if (_IOC_TYPE(cmd) != WMI_IOC)
> + return -ENOTTY;
> +
> + driver_name = filp->f_path.dentry->d_iname;
> +
> + list_for_each(p, &wmi_block_list) {
No locking while walking the list, you are brave :(
