From: Gao feng <omarapazanadi@gmail.com>
Date: Sun, 18 Oct 2015 15:35:56 +0000 (+0800)
Subject: vsock: fix missing cleanup when misc_register failed
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=f6a835bb04ca34b6fd337eea0544a871ba2349b8;p=deliverable%2Flinux.git

vsock: fix missing cleanup when misc_register failed

reset transport and unlock if misc_register failed.

Signed-off-by: Gao feng <omarapazanadi@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index df5fc6b340f1..00e8a349aabc 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -1948,13 +1948,13 @@ int __vsock_core_init(const struct vsock_transport *t, struct module *owner)
 	err = misc_register(&vsock_device);
 	if (err) {
 		pr_err("Failed to register misc device\n");
-		return -ENOENT;
+		goto err_reset_transport;
 	}
 
 	err = proto_register(&vsock_proto, 1);	/* we want our slab */
 	if (err) {
 		pr_err("Cannot register vsock protocol\n");
-		goto err_misc_deregister;
+		goto err_deregister_misc;
 	}
 
 	err = sock_register(&vsock_family_ops);
@@ -1969,8 +1969,9 @@ int __vsock_core_init(const struct vsock_transport *t, struct module *owner)
 
 err_unregister_proto:
 	proto_unregister(&vsock_proto);
-err_misc_deregister:
+err_deregister_misc:
 	misc_deregister(&vsock_device);
+err_reset_transport:
 	transport = NULL;
 err_busy:
 	mutex_unlock(&vsock_register_mutex);