On 12 November 2014 07:26, David Ward <david.w...@ll.mit.edu> wrote:
[...]
> +static void iwlagn_mac_sta_rc_update(struct ieee80211_hw *hw,
> + struct ieee80211_vif *vif,
> + struct ieee80211_sta *sta, u32 changed)
> +{
> + struct iwl_priv *priv = IWL_MAC80211_GET_DVM(hw);
> +
> + if (!(changed & IEEE80211_RC_SUPP_RATES_CHANGED))
> + return;
> +
> + /* Update rate scaling */
> + IWL_DEBUG_INFO(priv,
> + "Updating rate scaling for station %pM\n",
> + sta->addr);
> + iwl_rs_rate_init(priv, sta, iwl_sta_id(sta));
sta_rc_update() must be atomic. I'm not really familiar with iwl that
much but it seems to me iwl_rs_rate_init() -> iwl_send_lq_cmd(..., 0,
true) can sleep, no?
Michał
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