mac80211: fix multi-use timer

[safe/jmp/linux-2.6] / net / mac80211 / rc80211_pid_algo.c

diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c
index 01d59a8..a0bef76 100644 (file)
--- a/net/mac80211/rc80211_pid_algo.c
+++ b/net/mac80211/rc80211_pid_algo.c
@@ -289,13 +289,15 @@ rate_control_pid_get_rate(void *priv, struct ieee80211_sta *sta,
                info->control.rates[0].count =
                        txrc->hw->conf.short_frame_max_tx_count;
 
-       /* Send management frames and broadcast/multicast data using lowest
-        * rate. */
+       /* Send management frames and NO_ACK data using lowest rate. */
        fc = le16_to_cpu(hdr->frame_control);
        if (!sta || !spinfo ||
            (fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA ||
-           is_multicast_ether_addr(hdr->addr1)) {
+           info->flags & IEEE80211_TX_CTL_NO_ACK) {
                info->control.rates[0].idx = rate_lowest_index(sband, sta);
+               if (info->flags & IEEE80211_TX_CTL_NO_ACK)
+                       info->control.rates[0].count = 1;
+
                return;
        }
 
@@ -378,7 +380,7 @@ static void *rate_control_pid_alloc(struct ieee80211_hw *hw,
 
        for (i = 0; i < IEEE80211_NUM_BANDS; i++) {
                sband = hw->wiphy->bands[i];
-               if (sband->n_bitrates > max_rates)
+               if (sband && sband->n_bitrates > max_rates)
                        max_rates = sband->n_bitrates;
        }