[PATCH 03/16] platform/x86: wmi: Clean up acpi_wmi_add

From: Darren Hart
Date: Sat May 27 2017 - 01:32:53 EST


From: Andy Lutomirski <luto@xxxxxxxxxx>

Rearrange acpi_wmi_add to use Linux's error handling conventions.

Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
Cc: Mario Limonciello <mario_limonciello@xxxxxxxx>
Cc: Pali RohÃr <pali.rohar@xxxxxxxxx>
Cc: Rafael Wysocki <rjw@xxxxxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: platform-driver-x86@xxxxxxxxxxxxxxx
Cc: linux-acpi@xxxxxxxxxxxxxxx
Signed-off-by: Darren Hart (VMware) <dvhart@xxxxxxxxxxxxx>
---
drivers/platform/x86/wmi.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
index c6e11b5..ac60a51 100644
--- a/drivers/platform/x86/wmi.c
+++ b/drivers/platform/x86/wmi.c
@@ -803,20 +803,24 @@ static int acpi_wmi_add(struct acpi_device *device)
&acpi_wmi_ec_space_handler,
NULL, NULL);
if (ACPI_FAILURE(status)) {
- pr_err("Error installing EC region handler\n");
+ dev_err(&device->dev, "Error installing EC region handler\n");
return -ENODEV;
}

error = parse_wdg(device);
if (error) {
- acpi_remove_address_space_handler(device->handle,
- ACPI_ADR_SPACE_EC,
- &acpi_wmi_ec_space_handler);
pr_err("Failed to parse WDG method\n");
- return error;
+ goto err_remove_handler;
}

return 0;
+
+err_remove_handler:
+ acpi_remove_address_space_handler(device->handle,
+ ACPI_ADR_SPACE_EC,
+ &acpi_wmi_ec_space_handler);
+
+ return error;
}

static int __init acpi_wmi_init(void)
--
2.9.4