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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Christopher KOBAYASHI <chris@disavowed.jp>,
        Doug Brown <doug@downtowndougbrown.com>,
        Vincent Duvert <vincent.ldev@duvert.net>,
        Lukas Wunner <lukas@wunner.de>,
        Yue Haibing <yuehaibing@huawei.com>,
        "David S. Miller" <davem@davemloft.net>
Subject: [PATCH 5.8 071/232] appletalk: Fix atalk_proc_init() return path
Date:   Thu, 20 Aug 2020 11:18:42 +0200
Message-Id: <20200820091616.241259112@linuxfoundation.org>
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References: <20200820091612.692383444@linuxfoundation.org>
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From: Vincent Duvert <vincent.ldev@duvert.net>

commit d0f6ba2ef2c1c95069509e71402e7d6d43452512 upstream.

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@disavowed.jp>
Reported-by: Doug Brown <doug@downtowndougbrown.com>
Signed-off-by: Vincent Duvert <vincent.ldev@duvert.net>
[lukas: add missing tags]
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Cc: stable@vger.kernel.org # v5.1+
Cc: Yue Haibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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;