linux-kernel - [PATCH 5.4 57/67] appletalk: Fix atalk_proc

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Message-Id: <20200810151812.321216539@linuxfoundation.org>
Date:   Mon, 10 Aug 2020 17:21:44 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Christopher KOBAYASHI <chris@...avowed.jp>,
        Doug Brown <doug@...ntowndougbrown.com>,
        Vincent Duvert <vincent.ldev@...ert.net>,
        Lukas Wunner <lukas@...ner.de>,
        Yue Haibing <yuehaibing@...wei.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 5.4 57/67] appletalk: Fix atalk_proc_init() return path

From: Vincent Duvert <vincent.ldev@...ert.net>

[ Upstream commit d0f6ba2ef2c1c95069509e71402e7d6d43452512 ]

Add a missing return statement to atalk_proc_init so it doesn't return
-ENOMEM when successful.  This allows the appletalk module to load
properly.

Fixes: e2bcd8b0ce6e ("appletalk: use remove_proc_subtree to simplify procfs code")
Link: https://www.downtowndougbrown.com/2020/08/hacking-up-a-fix-for-the-broken-appletalk-kernel-module-in-linux-5-1-and-newer/
Reported-by: Christopher KOBAYASHI <chris@...avowed.jp>
Reported-by: Doug Brown <doug@...ntowndougbrown.com>
Signed-off-by: Vincent Duvert <vincent.ldev@...ert.net>
[lukas: add missing tags]
Signed-off-by: Lukas Wunner <lukas@...ner.de>
Cc: stable@...r.kernel.org # v5.1+
Cc: Yue Haibing <yuehaibing@...wei.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 net/appletalk/atalk_proc.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/net/appletalk/atalk_proc.c
+++ b/net/appletalk/atalk_proc.c
@@ -229,6 +229,8 @@ int __init atalk_proc_init(void)
 				     sizeof(struct aarp_iter_state), NULL))
 		goto out;
 
+	return 0;
+
 out:
 	remove_proc_subtree("atalk", init_net.proc_net);
 	return -ENOMEM;