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authorArik Nemtsov <arik@wizery.com>2014-07-17 17:14:18 +0300
committerJohannes Berg <johannes.berg@intel.com>2014-07-21 12:14:03 +0200
commit6ae32e5d284a5db589bfa63561932ad3306f538a (patch)
tree2588c0f8a658032d120d97d0ec8339e411ebe689 /net/mac80211/tdls.c
parent626911cc60d873b38f7ca4c5c537fcb918c658d7 (diff)
mac80211: fix error path for TDLS setup
The patch "8f02e6b mac80211: make sure TDLS peer STA exists during setup" broke TDLS error paths where the STA doesn't exist when sending the error. Fix it by only testing for STA existence during a non-error flow. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/tdls.c')
-rw-r--r--net/mac80211/tdls.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
index b01b3104b445..53c235de5d1c 100644
--- a/net/mac80211/tdls.c
+++ b/net/mac80211/tdls.c
@@ -349,15 +349,19 @@ ieee80211_tdls_mgmt_setup(struct wiphy *wiphy, struct net_device *dev,
/*
* 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
+ * during setup through the AP path.
+ * Allow error packets to be sent - sometimes we don't even add a STA
+ * before failing the setup.
*/
- rcu_read_lock();
- if (!sta_info_get(sdata, peer)) {
+ if (status_code == 0) {
+ rcu_read_lock();
+ if (!sta_info_get(sdata, peer)) {
+ rcu_read_unlock();
+ ret = -ENOLINK;
+ goto exit;
+ }
rcu_read_unlock();
- ret = -ENOLINK;
- goto exit;
}
- rcu_read_unlock();
ieee80211_flush_queues(local, sdata);