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vsock: fix missing cleanup when misc_register failed

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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>
This commit is contained in:
Gao feng 2015-10-18 23:35:56 +08:00 committed by David S. Miller
parent 10be15ff6c
commit f6a835bb04
1 changed files with 4 additions and 3 deletions
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7
net/vmw_vsock/af_vsock.c
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@ -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);