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| author | Hangbin Liu <liuhangbin@gmail.com> | 2022-10-28 04:42:23 -0400 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-10-31 18:10:21 -0700 |
| commit | d88e136cab37d6a5aa3691a2f636d37bd6520cc2 (patch) | |
| tree | ef4453ac67c6d0bb46c633fc276e8580102544d8 /net/core | |
| parent | 77f4aa9a2a1766a0b9343fd812b71f18d05178da (diff) | |
| download | linux-stable-d88e136cab37d6a5aa3691a2f636d37bd6520cc2.tar.gz linux-stable-d88e136cab37d6a5aa3691a2f636d37bd6520cc2.tar.bz2 linux-stable-d88e136cab37d6a5aa3691a2f636d37bd6520cc2.zip | |
rtnetlink: Honour NLM_F_ECHO flag in rtnl_newlink_create
This patch pass the netlink header message in rtnl_newlink_create() to
the new updated rtnl_configure_link(), so that the kernel could reply
unicast when userspace set NLM_F_ECHO flag to request the new created
interface info.
Suggested-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/rtnetlink.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index c9dd9730f3c6..839ff8b7eadc 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -3312,11 +3312,13 @@ static int rtnl_group_changelink(const struct sk_buff *skb, static int rtnl_newlink_create(struct sk_buff *skb, struct ifinfomsg *ifm, const struct rtnl_link_ops *ops, + const struct nlmsghdr *nlh, struct nlattr **tb, struct nlattr **data, struct netlink_ext_ack *extack) { unsigned char name_assign_type = NET_NAME_USER; struct net *net = sock_net(skb->sk); + u32 portid = NETLINK_CB(skb).portid; struct net *dest_net, *link_net; struct net_device *dev; char ifname[IFNAMSIZ]; @@ -3370,7 +3372,7 @@ static int rtnl_newlink_create(struct sk_buff *skb, struct ifinfomsg *ifm, goto out; } - err = rtnl_configure_link(dev, ifm, 0, NULL); + err = rtnl_configure_link(dev, ifm, portid, nlh); if (err < 0) goto out_unregister; if (link_net) { @@ -3579,7 +3581,7 @@ replay: return -EOPNOTSUPP; } - return rtnl_newlink_create(skb, ifm, ops, tb, data, extack); + return rtnl_newlink_create(skb, ifm, ops, nlh, tb, data, extack); } static int rtnl_newlink(struct sk_buff *skb, struct nlmsghdr *nlh, |