linux-kernel - [PATCH 1/2] net: rfkill: Cleanup error handling in rfkill

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Message-Id: <20161130120317.11851-1-kernel@kempniu.pl>
Date:   Wed, 30 Nov 2016 13:03:16 +0100
From:   Michał Kępień <kernel@...pniu.pl>
To:     Johannes Berg <johannes@...solutions.net>,
        "David S . Miller" <davem@...emloft.net>
Cc:     linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] net: rfkill: Cleanup error handling in rfkill_init()

Use a separate label per error condition in rfkill_init() to make it a
bit cleaner and easier to extend.

Signed-off-by: Michał Kępień <kernel@...pniu.pl>
---
 net/rfkill/core.c | 23 ++++++++++++-----------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/net/rfkill/core.c b/net/rfkill/core.c
index 884027f..f28e441 100644
--- a/net/rfkill/core.c
+++ b/net/rfkill/core.c
@@ -1266,24 +1266,25 @@ static int __init rfkill_init(void)
 
 	error = class_register(&rfkill_class);
 	if (error)
-		goto out;
+		goto error_class;
 
 	error = misc_register(&rfkill_miscdev);
-	if (error) {
-		class_unregister(&rfkill_class);
-		goto out;
-	}
+	if (error)
+		goto error_misc;
 
 #ifdef CONFIG_RFKILL_INPUT
 	error = rfkill_handler_init();
-	if (error) {
-		misc_deregister(&rfkill_miscdev);
-		class_unregister(&rfkill_class);
-		goto out;
-	}
+	if (error)
+		goto error_input;
 #endif
 
- out:
+	return 0;
+
+error_input:
+	misc_deregister(&rfkill_miscdev);
+error_misc:
+	class_unregister(&rfkill_class);
+error_class:
 	return error;
 }
 subsys_initcall(rfkill_init);
-- 
2.10.2