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

From: Alexey Khoroshilov
Date: Fri Jul 21 2017 - 17:48:23 EST


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@xxxxxxxxx>
---
drivers/platform/x86/wmi.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index 1a764e311e11..e32ba575e8d9 100644
--- 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;
}

--
2.7.4