platform/x86: wmi: Fix error handling in acpi_wmi_init()

The order of resource deallocations is messed up in acpi_wmi_init().
It should be vice versa.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>

diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index 1a764e311e11a2a9c4eeea310fbd8ac1960db704..e32ba575e8d9e2bfe3f1ff398c90ddbfe87196bf 100644 (file)
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -1252,12 +1252,12 @@ static int __init acpi_wmi_init(void)
 
        return 0;
 
-err_unreg_class:
-       class_unregister(&wmi_bus_class);
-
 err_unreg_bus:
        bus_unregister(&wmi_bus_type);
 
+err_unreg_class:
+       class_unregister(&wmi_bus_class);
+
        return error;
 }