Commit 3305443c authored Nov 20, 2009 by Johannes Berg Committed by John W. Linville Nov 23, 2009

mac80211: fix rcu locking



Add a missing rcu_read_unlock() before jumping out
of the ieee80211_change_station() function in the
error case.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

parent f1cf2dbd

net/mac80211/cfg.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -823,8 +823,10 @@ static int ieee80211_change_station(struct wiphy *wiphy,
		}

		if (params->vlan->ieee80211_ptr->use_4addr) {
		if (vlansdata->u.vlan.sta)
		if (vlansdata->u.vlan.sta) {
		rcu_read_unlock();
		return -EBUSY;
		}

		rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
		}