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Commit c258d2de authored by Felix Fietkau's avatar Felix Fietkau Committed by John W. Linville
Browse files

nl80211: only allow adding stations to running vlan interfaces 



Signed-off-by: default avatarFelix Fietkau <nbd@openwrt.org>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent f501dba4

net/wireless/nl80211.c

+3 −1
Original line number Diff line number Diff line
@@ -1821,7 +1821,7 @@ static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) 
}



/*

 * Get vlan interface making sure it is on the right wiphy.

 * Get vlan interface making sure it is running and on the right wiphy.

 */

static int get_vlan(struct genl_info *info,

		    struct cfg80211_registered_device *rdev,
@@ -1839,6 +1839,8 @@ static int get_vlan(struct genl_info *info, 
			return -EINVAL;

		if ((*vlan)->ieee80211_ptr->wiphy != &rdev->wiphy)

			return -EINVAL;

		if (!netif_running(*vlan))

			return -ENETDOWN;

	}

	return 0;

}