Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
  ACPI: introduce kernel parameter acpi_sleep=sci_force_enable
  ACPI: WMI: Survive BIOS with duplicate GUIDs
  dell-wmi - fix condition to abort driver loading
  wmi: check find_guid() return value to prevent oops
  dell-wmi, hp-wmi, msi-wmi: check wmi_get_event_data() return value
  ACPI: hp-wmi, msi-wmi: clarify that wmi_install_notify_handler() returns an acpi_status
  dell-wmi: sys_init_module: 'dell_wmi'->init suspiciously returned 21, it should
  ACPI video: correct error-handling code
  ACPI video: no warning message if "acpi_backlight=vendor" is used
  ACPI: fix ACPI=n allmodconfig build
  thinkpad-acpi: improve Kconfig help text
  thinkpad-acpi: update volume subdriver documentation
  thinkpad-acpi: make volume subdriver optional
  thinkpad-acpi: don't fail to load the entire module due to ALSA problems
  thinkpad-acpi: don't take the first ALSA slot by default

1 files changed, 7 insertions, 2 deletions

diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index 8781d8fa7a57..5b648f0c6075 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -338,8 +338,13 @@ static void hp_wmi_notify(u32 value, void *context)
 	static struct key_entry *key;
 	union acpi_object *obj;
 	int eventcode;
+	acpi_status status;
 
-	wmi_get_event_data(value, &response);
+	status = wmi_get_event_data(value, &response);
+	if (status != AE_OK) {
+		printk(KERN_INFO "hp-wmi: bad event status 0x%x\n", status);
+		return;
+	}
 
 	obj = (union acpi_object *)response.pointer;
 
@@ -581,7 +586,7 @@ static int __init hp_wmi_init(void)
 	if (wmi_has_guid(HPWMI_EVENT_GUID)) {
 		err = wmi_install_notify_handler(HPWMI_EVENT_GUID,
 						 hp_wmi_notify, NULL);
-		if (!err)
+		if (ACPI_SUCCESS(err))
 			hp_wmi_input_setup();
 	}