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authorJani Nikula <jani.nikula@intel.com>2017-09-04 21:40:34 +0300
committerJani Nikula <jani.nikula@intel.com>2017-09-04 21:40:34 +0300
commitd149d6ae17197ce23e2cd6bc5fcdacf7b593e55e (patch)
tree2fb8d66199080f6d7b41690f6e8616ccd79a1943 /drivers/net/wireless/intel/iwlwifi/mvm/sta.c
parentafe722bee4bf8afc88c6ff7d6f781515d9428595 (diff)
parent7846b12fe0b5feab5446d892f41b5140c1419109 (diff)
downloadlinux-d149d6ae17197ce23e2cd6bc5fcdacf7b593e55e.tar.bz2
Merge drm-upstream/drm-next into drm-intel-next-queued
Catch up with upstream while it's easy. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/sta.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/sta.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
index 4df5f13fcdae..ab66b4394dfc 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
@@ -277,6 +277,18 @@ static void iwl_mvm_rx_agg_session_expired(unsigned long data)
/* Timer expired */
sta = rcu_dereference(ba_data->mvm->fw_id_to_mac_id[ba_data->sta_id]);
+
+ /*
+ * sta should be valid unless the following happens:
+ * The firmware asserts which triggers a reconfig flow, but
+ * the reconfig fails before we set the pointer to sta into
+ * the fw_id_to_mac_id pointer table. Mac80211 can't stop
+ * A-MDPU and hence the timer continues to run. Then, the
+ * timer expires and sta is NULL.
+ */
+ if (!sta)
+ goto unlock;
+
mvm_sta = iwl_mvm_sta_from_mac80211(sta);
ieee80211_stop_rx_ba_session_offl(mvm_sta->vif,
sta->addr, ba_data->tid);
@@ -2015,7 +2027,8 @@ int iwl_mvm_send_add_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
IWL_MAX_TID_COUNT,
wdg_timeout);
- if (vif->type == NL80211_IFTYPE_AP)
+ if (vif->type == NL80211_IFTYPE_AP ||
+ vif->type == NL80211_IFTYPE_ADHOC)
mvm->probe_queue = queue;
else if (vif->type == NL80211_IFTYPE_P2P_DEVICE)
mvm->p2p_dev_queue = queue;