diff options
| author | dingtianhong <dingtianhong@huawei.com> | 2013-07-11 19:04:06 +0800 |
|---|---|---|
| committer | Willy Tarreau <w@1wt.eu> | 2014-05-19 07:53:46 +0200 |
| commit | 5393c4b20b6fe78df930a0fe1821ec72ba735541 (patch) | |
| tree | aff9cd9da811019ea26fe1bc047bc6f539dca689 | |
| parent | 8665a8c475b12393bb8eed9b3c7401da9513d3c1 (diff) | |
ifb: fix oops when loading the ifb failed
[ Upstream commit f2966cd5691058b8674a20766525bedeaea9cbcf ]
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: Ding Tianhong <dingtianhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Willy Tarreau <w@1wt.eu>
| -rw-r--r-- | drivers/net/ifb.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c index cfd55107149f..509c6f52e891 100644 --- a/drivers/net/ifb.c +++ b/drivers/net/ifb.c @@ -269,6 +269,8 @@ static int __init ifb_init_module(void) rtnl_lock(); err = __rtnl_link_register(&ifb_link_ops); + if (err < 0) + goto out; for (i = 0; i < numifbs && !err; i++) { err = ifb_init_one(i); @@ -276,6 +278,8 @@ static int __init ifb_init_module(void) } if (err) __rtnl_link_unregister(&ifb_link_ops); + +out: rtnl_unlock(); return err; |