Hello Luciano Coelho, The patch 0ce04ce797f8: "iwlwifi: mvm: set the TX disable bit when doing a chanctx switch" from May 8, 2014, leads to the following static checker warning: drivers/net/wireless/iwlwifi/mvm/mac80211.c:2768 __iwl_mvm_assign_vif_chanctx() warn: missing error code here? 'iwl_mvm_sta_from_staid_protected()' failed. 'ret' = '0' drivers/net/wireless/iwlwifi/mvm/mac80211.c 2761 if (vif->csa_active && vif->type == NL80211_IFTYPE_STATION) { 2762 struct iwl_mvm_sta *mvmsta; 2763 2764 mvmsta = iwl_mvm_sta_from_staid_protected(mvm, 2765 mvmvif->ap_sta_id); 2766 2767 if (WARN_ON(!mvmsta)) 2768 goto out; Did you want to set an error code here? I don't know the code well enough to say. 2769 2770 /* TODO: only re-enable after the first beacon */ 2771 iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false); 2772 } 2773 2774 goto out; 2775 2776 out_remove_binding: 2777 iwl_mvm_binding_remove_vif(mvm, vif); 2778 iwl_mvm_power_update_mac(mvm); 2779 out: 2780 if (ret) 2781 mvmvif->phy_ctxt = NULL; 2782 return ret; 2783 } regards, dan carpenter -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html