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cfg80211: disallow interfering with stations on non-AP (part 2)

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On non-AP interfaces userspace has no business interfering with
the station management, this can confuse mac80211 (and other
drivers probably wouldn't support it anyway). Allow adding and
removing stations only on AP interfaces.

(Reconcile this w/ previous version of patch posted with same
subject... -- JWL)

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2009-05-27 10:35:29 +02:00 committed by John W. Linville
parent 7ba10a8efe
commit 034d655ee7
1 changed files with 6 additions and 0 deletions
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6
net/wireless/nl80211.c
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@ -1687,6 +1687,12 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
if (err)
goto out_rtnl;
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN) {
err = -EINVAL;
goto out;
}
err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], drv, &params.vlan);
if (err)
goto out;