diff options
| author | Arik Nemtsov <arik@wizery.com> | 2014-06-11 17:18:26 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2014-06-23 14:28:18 +0200 |
| commit | 7adc3e4664bc5bd382fa181e6a4506f5b5b583d8 (patch) | |
| tree | 7384beda7ccdab431af7d3fdfdb8003aab6b17ad /net | |
| parent | c887f0d3a03283cb6fe2c32aae62229bebd3fa32 (diff) | |
mac80211: make sure TDLS peer STA exists during setup
Make sure userspace added a TDLS peer station before invoking the
transmission of the first setup frame. This ensures packets to the peer
won't go through the AP path.
Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/mac80211/tdls.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c index 6f3a3ad0cb7c..b87e369561f4 100644 --- a/net/mac80211/tdls.c +++ b/net/mac80211/tdls.c @@ -332,6 +332,19 @@ ieee80211_tdls_mgmt_setup(struct wiphy *wiphy, struct net_device *dev, goto exit; } + /* + * make sure we have a STA representing the peer so we drop or buffer + * non-TDLS-setup frames to the peer. We can't send other packets + * during setup through the AP path + */ + rcu_read_lock(); + if (!sta_info_get(sdata, peer)) { + rcu_read_unlock(); + ret = -ENOLINK; + goto exit; + } + rcu_read_unlock(); + ieee80211_flush_queues(local, sdata); ret = ieee80211_tdls_prep_mgmt_packet(wiphy, dev, peer, action_code, |