Merge tag 'acpi-7.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI support fix from Rafael Wysocki:
 "Prevent use-after-free from occurring on reduced-hardware ACPI
  platforms when -EPROBE_DEFER is returned by ec_install_handlers()
  during ACPI EC driver initialization (Weiming Shi)"

* tag 'acpi-7.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: EC: clean up handlers on probe failure in acpi_ec_setup()

Author: torvalds

drivers/acpi/ec.c

@@ -1656,6 +1656,8 @@ static int acpi_ec_setup(struct acpi_ec *ec, struct acpi_device *device, bool ca
 
 	ret = ec_install_handlers(ec, device, call_reg);
 	if (ret) {
+		ec_remove_handlers(ec);
+
 		if (ec == first_ec)
 			first_ec = NULL;