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@xxxxxxxxxxxxxxxx>
---
*points finger at*
commit fed1557d868e3a15b8a10700f79353e1f362e3a1
Author: Felix Fietkau <nbd@xxxxxxxxxxx>
Date: Tue Nov 10 20:10:05 2009 +0100
mac80211: implement support for 4-address frames for AP and client mode
net/mac80211/cfg.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- wireless-testing.orig/net/mac80211/cfg.c 2009-11-20 10:04:21.000000000 +0100
+++ wireless-testing/net/mac80211/cfg.c 2009-11-20 10:04:37.000000000 +0100
@@ -818,8 +818,10 @@ static int ieee80211_change_station(stru
}
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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