diff options
Diffstat (limited to 'net/wireless')
-rw-r--r-- | net/wireless/nl80211.c | 45 |
1 files changed, 12 insertions, 33 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 524f55402838..4fed1663aba3 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c | |||
@@ -876,48 +876,25 @@ static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |||
876 | 876 | ||
877 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) | 877 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
878 | { | 878 | { |
879 | struct cfg80211_registered_device *rdev; | 879 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
880 | struct wireless_dev *wdev; | 880 | struct net_device *dev = info->user_ptr[1]; |
881 | struct net_device *dev; | 881 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
882 | u8 *bssid; | 882 | u8 *bssid; |
883 | int err; | ||
884 | 883 | ||
885 | if (!info->attrs[NL80211_ATTR_MAC]) | 884 | if (!info->attrs[NL80211_ATTR_MAC]) |
886 | return -EINVAL; | 885 | return -EINVAL; |
887 | 886 | ||
888 | rtnl_lock(); | 887 | if (netif_running(dev)) |
889 | 888 | return -EBUSY; | |
890 | err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev); | ||
891 | if (err) | ||
892 | goto unlock_rtnl; | ||
893 | |||
894 | wdev = dev->ieee80211_ptr; | ||
895 | |||
896 | if (netif_running(dev)) { | ||
897 | err = -EBUSY; | ||
898 | goto out; | ||
899 | } | ||
900 | 889 | ||
901 | if (!rdev->ops->set_wds_peer) { | 890 | if (!rdev->ops->set_wds_peer) |
902 | err = -EOPNOTSUPP; | 891 | return -EOPNOTSUPP; |
903 | goto out; | ||
904 | } | ||
905 | 892 | ||
906 | if (wdev->iftype != NL80211_IFTYPE_WDS) { | 893 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
907 | err = -EOPNOTSUPP; | 894 | return -EOPNOTSUPP; |
908 | goto out; | ||
909 | } | ||
910 | 895 | ||
911 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | 896 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
912 | err = rdev->ops->set_wds_peer(wdev->wiphy, dev, bssid); | 897 | return rdev->ops->set_wds_peer(wdev->wiphy, dev, bssid); |
913 | |||
914 | out: | ||
915 | cfg80211_unlock_rdev(rdev); | ||
916 | dev_put(dev); | ||
917 | unlock_rtnl: | ||
918 | rtnl_unlock(); | ||
919 | |||
920 | return err; | ||
921 | } | 898 | } |
922 | 899 | ||
923 | 900 | ||
@@ -4860,6 +4837,8 @@ static struct genl_ops nl80211_ops[] = { | |||
4860 | .doit = nl80211_set_wds_peer, | 4837 | .doit = nl80211_set_wds_peer, |
4861 | .policy = nl80211_policy, | 4838 | .policy = nl80211_policy, |
4862 | .flags = GENL_ADMIN_PERM, | 4839 | .flags = GENL_ADMIN_PERM, |
4840 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | ||
4841 | NL80211_FLAG_NEED_RTNL, | ||
4863 | }, | 4842 | }, |
4864 | }; | 4843 | }; |
4865 | 4844 | ||