From: Jiri Kosina <jkosina@xxxxxxx> As iwl_mvm_tx_mpdu() is not disabling BH while obtaining iwl_mvm_sta->lock (which is being taken from BH context as well), it has to be always invoked with BH disabled. Make that clear in a comment. Signed-off-by: Jiri Kosina <jkosina@xxxxxxx> Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx> Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx> --- drivers/net/wireless/intel/iwlwifi/mvm/tx.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index 0c2aabc842f9..ad4760307726 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -1063,7 +1063,9 @@ static int iwl_mvm_tx_pkt_queued(struct iwl_mvm *mvm, } /* - * Sets the fields in the Tx cmd that are crypto related + * Sets the fields in the Tx cmd that are crypto related. + * + * This function must be called with BHs disabled. */ static int iwl_mvm_tx_mpdu(struct iwl_mvm *mvm, struct sk_buff *skb, struct ieee80211_tx_info *info, -- 2.20.1