linux-kernel - [PATCH] dell-wmi: sys_init_module: 'dell_wmi'->init suspiciously returned 21, it should follow 0/-E convention

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Message-id: <alpine.LFD.2.00.0912300119190.15839@localhost.localdomain>
Date:	Wed, 30 Dec 2009 01:21:42 -0500 (EST)
From:	Len Brown <lenb@...nel.org>
To:	Paul Rolland <rol@...917.net>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Matthew Garrett <mjg@...hat.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	rol@...be.net, linux-acpi@...r.kernel.org,
	werner <w.landgraf@...ru>
Subject: [PATCH] dell-wmi: sys_init_module: 'dell_wmi'->init suspiciously
 returned 21, it should follow 0/-E convention

From: Len Brown <len.brown@...el.com>

wmi_install_notify_handler() returns an acpi_error,
but dell_wmi_init() needs return a -errno style error.

Signed-off-by: Len Brown <len.brown@...el.com>
---
 drivers/platform/x86/dell-wmi.c |    9 +++++----
 1 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c
index 916ccb2..4c7e702 100644
--- a/drivers/platform/x86/dell-wmi.c
+++ b/drivers/platform/x86/dell-wmi.c
@@ -323,6 +323,7 @@ static int __init dell_wmi_input_setup(void)
 static int __init dell_wmi_init(void)
 {
 	int err;
+	acpi_status status;
 
 	if (wmi_has_guid(DELL_EVENT_GUID)) {
 		printk(KERN_WARNING "dell-wmi: No known WMI GUID found\n");
@@ -336,14 +337,14 @@ static int __init dell_wmi_init(void)
 	if (err)
 		return err;
 
-	err = wmi_install_notify_handler(DELL_EVENT_GUID,
+	status = wmi_install_notify_handler(DELL_EVENT_GUID,
 					 dell_wmi_notify, NULL);
-	if (err) {
+	if (ACPI_FAILURE(status)) {
 		input_unregister_device(dell_wmi_input_dev);
 		printk(KERN_ERR
 			"dell-wmi: Unable to register notify handler - %d\n",
-			err);
-		return err;
+			status);
+		return -ENODEV;
 	}
 
 	return 0;
-- 
1.6.6.rc4.11.g129a5


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