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iwlwifi: mvm: Don't sleep in RX path

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Don't use cancel_delayed_work_sync() inside the channel switch
notifications as they are handled synchronously as part of the RX path.
Fix that by replacing it with cancel_delayed_work(). This should be safe
as we don't really care whether the work is already started and in such
case we would disconnect anyway.

Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Andrei Otcheretianski
2019-04-10 15:31:28 +03:00
committed by Luca Coelho
parent fd986b0b7a
commit 11af74ad1d
2 changed files with 2 additions and 2 deletions
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2
drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c
View File

@@ -1570,7 +1570,7 @@ void iwl_mvm_channel_switch_noa_notif(struct iwl_mvm *mvm,
return;
case NL80211_IFTYPE_STATION:
iwl_mvm_csa_client_absent(mvm, vif);
cancel_delayed_work_sync(&mvmvif->csa_work);
cancel_delayed_work(&mvmvif->csa_work);
ieee80211_chswitch_done(vif, true);
break;
default:

2
drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
View File

@@ -234,7 +234,7 @@ iwl_mvm_te_handle_notify_csa(struct iwl_mvm *mvm,
break;
}
iwl_mvm_csa_client_absent(mvm, te_data->vif);
cancel_delayed_work_sync(&mvmvif->csa_work);
cancel_delayed_work(&mvmvif->csa_work);
ieee80211_chswitch_done(te_data->vif, true);
break;
default: