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Commit 1c90f9d4 authored by Johannes Berg's avatar Johannes Berg
Browse files

nl80211: send interface after creation 



After a new virtual interface is created, reply
to userspace with a message detailing it so it
knows the new wdev identifier.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 84efbb84

net/wireless/nl80211.c

+15 −2
Original line number Diff line number Diff line
@@ -1972,6 +1972,7 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) 
	struct cfg80211_registered_device *rdev = info->user_ptr[0];

	struct vif_params params;

	struct wireless_dev *wdev;

	struct sk_buff *msg;

	int err;

	enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;

	u32 flags;
@@ -1998,14 +1999,20 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) 
			return err;

	}



	msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);

	if (!msg)

		return -ENOMEM;



	err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?

				  info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,

				  &flags);

	wdev = rdev->ops->add_virtual_intf(&rdev->wiphy,

		nla_data(info->attrs[NL80211_ATTR_IFNAME]),

		type, err ? NULL : &flags, &params);

	if (IS_ERR(wdev))

	if (IS_ERR(wdev)) {

		nlmsg_free(msg);

		return PTR_ERR(wdev);

	}



	if (type == NL80211_IFTYPE_MESH_POINT &&

	    info->attrs[NL80211_ATTR_MESH_ID]) {
@@ -2019,7 +2026,13 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) 
		wdev_unlock(wdev);

	}



	return 0;

	if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0,

			       rdev, wdev) < 0) {

		nlmsg_free(msg);

		return -ENOBUFS;

	}



	return genlmsg_reply(msg, info);

}



static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)