On Thu, 2011-01-27 at 22:09 -0800, greearb@xxxxxxxxxxxxxxx wrote: > From: Ben Greear <greearb@xxxxxxxxxxxxxxx> > > If we cannot set the channel type, set the channel back to the > original. > > Don't update the driver hardware if nothing actually changed. Good catch. > + old_oper = local->oper_channel; > local->oper_channel = chan; > > - if (!ieee80211_set_channel_type(local, sdata, channel_type)) > + old_oper_type = local->_oper_channel_type; > + if (!ieee80211_set_channel_type(local, sdata, channel_type)) { > + local->oper_channel = old_oper; > return -EBUSY; > + } > + > + if ((old_oper != local->oper_channel) || > + (old_oper_type != local->_oper_channel_type)) > + ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); > > - ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); > - if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR) > + if ((sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR) && > + old_vif_oper_type != sdata->vif.bss_conf.channel_type) > ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); But why the complicated code? Couldn't you just swap the set_channel_type() and oper_channel = chan around? set_channel_type() doesn't need oper_channel set. johannes -- 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