linux-kernel - [PATCH] asus-laptop: fix asus_input

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Date:	Mon, 05 Jul 2010 15:29:00 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Cc:	Corentin Chary <corentincj@...aif.net>,
	Matthew Garrett <mjg@...hat.com>,
	Len Brown <len.brown@...el.com>,
	Alan Jenkins <alan-jenkins@...fmail.co.uk>,
	acpi4asus-user@...ts.sourceforge.net,
	platform-driver-x86@...r.kernel.org
Subject: [PATCH] asus-laptop: fix asus_input_init error path

This patch includes below fixes:
1. return -ENOMEM instead of 0 if input_allocate_device fail.
2. fix wrong goto if sparse_keymap_setup fail.
3. fix wrong goto if input_register_device fail.

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/platform/x86/asus-laptop.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index 71db2ef..3a7aeb9 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -1123,7 +1123,7 @@ static int asus_input_init(struct asus_laptop *asus)
 	input = input_allocate_device();
 	if (!input) {
 		pr_info("Unable to allocate input device\n");
-		return 0;
+		return -ENOMEM;
 	}
 	input->name = "Asus Laptop extra buttons";
 	input->phys = ASUS_LAPTOP_FILE "/input0";
@@ -1134,20 +1134,20 @@ static int asus_input_init(struct asus_laptop *asus)
 	error = sparse_keymap_setup(input, asus_keymap, NULL);
 	if (error) {
 		pr_err("Unable to setup input device keymap\n");
-		goto err_keymap;
+		goto err_free_dev;
 	}
 	error = input_register_device(input);
 	if (error) {
 		pr_info("Unable to register input device\n");
-		goto err_device;
+		goto err_free_keymap;
 	}
 
 	asus->inputdev = input;
 	return 0;
 
-err_keymap:
+err_free_keymap:
 	sparse_keymap_free(input);
-err_device:
+err_free_dev:
 	input_free_device(input);
 	return error;
 }
-- 
1.5.4.3



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