Commit 3305443c authored by Johannes Berg's avatar Johannes Berg Committed by John W. Linville
Browse files

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: default avatarJohannes Berg <johannes@sipsolutions.net>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent f1cf2dbd
......@@ -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);
}
......
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