nl80211: only allow adding stations to running vlan interfaces
Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -1821,7 +1821,7 @@ static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
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}
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/*
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* Get vlan interface making sure it is on the right wiphy.
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* Get vlan interface making sure it is running and on the right wiphy.
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*/
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static int get_vlan(struct genl_info *info,
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struct cfg80211_registered_device *rdev,
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@ -1839,6 +1839,8 @@ static int get_vlan(struct genl_info *info,
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return -EINVAL;
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if ((*vlan)->ieee80211_ptr->wiphy != &rdev->wiphy)
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return -EINVAL;
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if (!netif_running(*vlan))
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return -ENETDOWN;
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}
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return 0;
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}
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