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@xxxxxxxxx>
Reviewed-by: Johannes Berg <johannes.berg@xxxxxxxxx>
---
net/mac80211/tdls.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
index b01b310..53c235d 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);
--
1.9.1
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