diff options
| author | dingtianhong <dingtianhong@huawei.com> | 2013-07-11 19:04:06 +0800 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2013-08-02 22:14:50 +0200 |
| commit | e7622858946a8b67f9821a1154e431f745f64043 (patch) | |
| tree | 0e65489a89ba2e4c8e89e5058c8fbfe8e7477919 /drivers | |
| parent | 8de1483c61c900d6ed6a42340f60185226d4a47e (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: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'drivers')
| -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 4924a1e60c75..b19841aca42a 100644 --- a/drivers/net/ifb.c +++ b/drivers/net/ifb.c @@ -290,6 +290,8 @@ 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); @@ -297,6 +299,8 @@ static int __init ifb_init_module(void) } if (err) __rtnl_link_unregister(&ifb_link_ops); + +out: rtnl_unlock(); return err; |