enum { /* wmi_block flags */
WMI_READ_TAKES_NO_ARGS,
+ WMI_PROBED,
};
struct wmi_block {
}
}
+ set_bit(WMI_PROBED, &wblock->flags);
return 0;
probe_misc_failure:
struct wmi_block *wblock = dev_to_wblock(dev);
struct wmi_driver *wdriver = drv_to_wdrv(dev->driver);
+ clear_bit(WMI_PROBED, &wblock->flags);
+
if (wdriver->filter_callback) {
misc_deregister(&wblock->char_dev);
kfree(wblock->char_dev.name);
return;
/* If a driver is bound, then notify the driver. */
- if (wblock->dev.dev.driver) {
+ if (test_bit(WMI_PROBED, &wblock->flags) && wblock->dev.dev.driver) {
struct wmi_driver *driver = drv_to_wdrv(wblock->dev.dev.driver);
struct acpi_buffer evdata = { ACPI_ALLOCATE_BUFFER, NULL };
acpi_status status;