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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

drivers/net/ifb.c

+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;