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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, Arvind Yadav <arvind.yadav.cs@gmail.com>,
        Cornelia Huck <cohuck@redhat.com>,
        Ursula Braun <ursula.braun@de.ibm.com>,
        Julian Wiedmann <jwi@linux.vnet.ibm.com>,
        "David S. Miller" <davem@davemloft.net>
Subject: [PATCH 4.15 41/47] net/iucv: Free memory obtained by kzalloc
Date:   Thu, 29 Mar 2018 20:00:22 +0200
Message-Id: <20180329175732.929516413@linuxfoundation.org>
In-Reply-To: <20180329175729.225211114@linuxfoundation.org>
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4.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Arvind Yadav <arvind.yadav.cs@gmail.com>


[ Upstream commit fa6a91e9b907231d2e38ea5ed89c537b3525df3d ]

Free memory by calling put_device(), if afiucv_iucv_init is not
successful.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 net/iucv/af_iucv.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -2433,9 +2433,11 @@ static int afiucv_iucv_init(void)
 	af_iucv_dev->driver = &af_iucv_driver;
 	err = device_register(af_iucv_dev);
 	if (err)
-		goto out_driver;
+		goto out_iucv_dev;
 	return 0;
 
+out_iucv_dev:
+	put_device(af_iucv_dev);
 out_driver:
 	driver_unregister(&af_iucv_driver);
 out_iucv: