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Commit f2966cd5 authored by dingtianhong's avatar dingtianhong Committed by David S. Miller
Browse files

ifb: fix oops when loading the ifb failed



If __rtnl_link_register() return faild when loading the ifb, it will
take the wrong path and get oops, so fix it just like dummy.

Signed-off-by: default avatarDing Tianhong <dingtianhong@huawei.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2c8a0189
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+4 −0
Original line number Original line Diff line number Diff line
@@ -291,6 +291,8 @@ static int __init ifb_init_module(void)


	rtnl_lock();
	rtnl_lock();
	err = __rtnl_link_register(&ifb_link_ops);
	err = __rtnl_link_register(&ifb_link_ops);
	if (err < 0)
		goto out;


	for (i = 0; i < numifbs && !err; i++) {
	for (i = 0; i < numifbs && !err; i++) {
		err = ifb_init_one(i);
		err = ifb_init_one(i);
@@ -298,6 +300,8 @@ static int __init ifb_init_module(void)
	}
	}
	if (err)
	if (err)
		__rtnl_link_unregister(&ifb_link_ops);
		__rtnl_link_unregister(&ifb_link_ops);

out:
	rtnl_unlock();
	rtnl_unlock();


	return err;
	return err;