diff options
| author | Johannes Berg <johannes@sipsolutions.net> | 2009-11-20 12:09:14 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-11-24 01:05:29 +0300 |
| commit | 3305443c968b98902199bea0abbd9443c6a2bb8d (patch) | |
| tree | 9a31f5c76c76f97c5d959b4a75a84de2ebf693be /net/mac80211/cfg.c | |
| parent | f1cf2dbd0f798b71b1590e7aca6647f2caef1649 (diff) | |
| download | linux-3305443c968b98902199bea0abbd9443c6a2bb8d.tar.xz | |
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>
Diffstat (limited to 'net/mac80211/cfg.c')
| -rw-r--r-- | net/mac80211/cfg.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index c484a882140e..93ee1fd5c08d 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -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); } |