thinkpad-acpi: silence bogus complain during rmmod

Fix this bogus warning during module shutdown, when
backlight event reporting is enabled:

"thinkpad_acpi: required events 0x00018000 not enabled!"

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index 44061367a10d..86418cd3e59d 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -2189,7 +2189,8 @@ static int hotkey_mask_set(u32 mask)
                        fwmask, hotkey_acpi_mask);
         }
 
-        hotkey_mask_warn_incomplete_mask();
+        if (tpacpi_lifecycle != TPACPI_LIFE_EXITING)
+                hotkey_mask_warn_incomplete_mask();
 
         return rc;
 }