diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-09-08 01:01:14 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-09-08 01:01:14 -0300 |
| commit | e5fd91f1ef340da553f7a79da9540c3db711c937 (patch) | |
| tree | b11842027dc6641da63f4bcc524f8678263304a3 /net/mac80211/rate.c | |
| parent | 2a9b0348e685a63d97486f6749622b61e9e3292f (diff) | |
Linux-libre 4.2-gnu
Diffstat (limited to 'net/mac80211/rate.c')
| -rw-r--r-- | net/mac80211/rate.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c index d53355b01..fda33f961 100644 --- a/net/mac80211/rate.c +++ b/net/mac80211/rate.c @@ -103,7 +103,7 @@ ieee80211_rate_control_ops_get(const char *name) const struct rate_control_ops *ops; const char *alg_name; - kparam_block_sysfs_write(ieee80211_default_rc_algo); + kernel_param_lock(THIS_MODULE); if (!name) alg_name = ieee80211_default_rc_algo; else @@ -117,7 +117,7 @@ ieee80211_rate_control_ops_get(const char *name) /* try built-in one if specific alg requested but not found */ if (!ops && strlen(CONFIG_MAC80211_RC_DEFAULT)) ops = ieee80211_try_rate_control_ops_get(CONFIG_MAC80211_RC_DEFAULT); - kparam_unblock_sysfs_write(ieee80211_default_rc_algo); + kernel_param_unlock(THIS_MODULE); return ops; } @@ -680,12 +680,18 @@ void rate_control_get_rate(struct ieee80211_sub_if_data *sdata, info->control.rates[i].count = 0; } - if (sdata->local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) + if (ieee80211_hw_check(&sdata->local->hw, HAS_RATE_CONTROL)) return; - ref->ops->get_rate(ref->priv, ista, priv_sta, txrc); + if (ista) { + spin_lock_bh(&sta->rate_ctrl_lock); + ref->ops->get_rate(ref->priv, ista, priv_sta, txrc); + spin_unlock_bh(&sta->rate_ctrl_lock); + } else { + ref->ops->get_rate(ref->priv, NULL, NULL, txrc); + } - if (sdata->local->hw.flags & IEEE80211_HW_SUPPORTS_RC_TABLE) + if (ieee80211_hw_check(&sdata->local->hw, SUPPORTS_RC_TABLE)) return; ieee80211_get_tx_rates(&sdata->vif, ista, txrc->skb, @@ -727,7 +733,7 @@ int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local, if (local->open_count) return -EBUSY; - if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { + if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) { if (WARN_ON(!local->ops->set_rts_threshold)) return -EINVAL; return 0; |