iwlegacy: remove for_each_context

We do not support many contexts.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>

7 files changed, 127 insertions, 214 deletions

diff --git a/drivers/net/wireless/iwlegacy/iwl-4965-sta.c b/drivers/net/wireless/iwlegacy/iwl-4965-sta.c
index 4cda277418f6..337bf0c1c4c2 100644
--- a/drivers/net/wireless/iwlegacy/iwl-4965-sta.c
+++ b/drivers/net/wireless/iwlegacy/iwl-4965-sta.c
@@ -615,16 +615,7 @@ static int il4965_update_bcast_station(struct il_priv *il,
 
 int il4965_update_bcast_stations(struct il_priv *il)
 {
-        struct il_rxon_context *ctx;
-        int ret = 0;
-
-        for_each_context(il, ctx) {
-                ret = il4965_update_bcast_station(il, ctx);
-                if (ret)
-                        break;
-        }
-
-        return ret;
+        return il4965_update_bcast_station(il, &il->ctx);
 }
 
 /**
diff --git a/drivers/net/wireless/iwlegacy/iwl-core.c b/drivers/net/wireless/iwlegacy/iwl-core.c
index de952fb0a96f..bd222f50d26c 100644
--- a/drivers/net/wireless/iwlegacy/iwl-core.c
+++ b/drivers/net/wireless/iwlegacy/iwl-core.c
@@ -646,10 +646,7 @@ static void _il_set_rxon_ht(struct il_priv *il,
 
 void il_set_rxon_ht(struct il_priv *il, struct il_ht_config *ht_conf)
 {
-        struct il_rxon_context *ctx;
-
-        for_each_context(il, ctx)
-                _il_set_rxon_ht(il, ht_conf, ctx);
+        _il_set_rxon_ht(il, ht_conf, &il->ctx);
 }
 EXPORT_SYMBOL(il_set_rxon_ht);
 
@@ -661,7 +658,6 @@ u8 il_get_single_channel_number(struct il_priv *il,
         int i;
         u8 channel = 0;
         u8 min, max;
-        struct il_rxon_context *ctx;
 
         if (band == IEEE80211_BAND_5GHZ) {
                 min = 14;
@@ -672,19 +668,10 @@ u8 il_get_single_channel_number(struct il_priv *il,
         }
 
         for (i = min; i < max; i++) {
-                bool busy = false;
-
-                for_each_context(il, ctx) {
-                        busy = il->channel_info[i].channel ==
-                                le16_to_cpu(ctx->staging.channel);
-                        if (busy)
-                                break;
-                }
-
-                if (busy)
+                channel = il->channel_info[i].channel;
+                if (channel == le16_to_cpu(il->ctx.staging.channel))
                         continue;
 
-                channel = il->channel_info[i].channel;
                 ch_info = il_get_channel_info(il, band, channel);
                 if (il_is_channel_valid(ch_info))
                         break;
@@ -822,7 +809,6 @@ void il_set_rate(struct il_priv *il)
 {
         const struct ieee80211_supported_band *hw = NULL;
         struct ieee80211_rate *rate;
-        struct il_rxon_context *ctx;
         int i;
 
         hw = il_get_hw_mode(il, il->band);
@@ -841,13 +827,11 @@ void il_set_rate(struct il_priv *il)
 
         D_RATE("Set active_rate = %0x\n", il->active_rate);
 
-        for_each_context(il, ctx) {
-                ctx->staging.cck_basic_rates =
+        il->ctx.staging.cck_basic_rates =
                     (IL_CCK_BASIC_RATES_MASK >> IL_FIRST_CCK_RATE) & 0xF;
 
-                ctx->staging.ofdm_basic_rates =
+        il->ctx.staging.ofdm_basic_rates =
                    (IL_OFDM_BASIC_RATES_MASK >> IL_FIRST_OFDM_RATE) & 0xFF;
-        }
 }
 EXPORT_SYMBOL(il_set_rate);
 
@@ -1254,7 +1238,6 @@ int il_mac_conf_tx(struct ieee80211_hw *hw,
                            const struct ieee80211_tx_queue_params *params)
 {
         struct il_priv *il = hw->priv;
-        struct il_rxon_context *ctx;
         unsigned long flags;
         int q;
 
@@ -1274,17 +1257,15 @@ int il_mac_conf_tx(struct ieee80211_hw *hw,
 
         spin_lock_irqsave(&il->lock, flags);
 
-        for_each_context(il, ctx) {
-                ctx->qos_data.def_qos_parm.ac[q].cw_min =
+        il->ctx.qos_data.def_qos_parm.ac[q].cw_min =
                         cpu_to_le16(params->cw_min);
-                ctx->qos_data.def_qos_parm.ac[q].cw_max =
+        il->ctx.qos_data.def_qos_parm.ac[q].cw_max =
                         cpu_to_le16(params->cw_max);
-                ctx->qos_data.def_qos_parm.ac[q].aifsn = params->aifs;
-                ctx->qos_data.def_qos_parm.ac[q].edca_txop =
+        il->ctx.qos_data.def_qos_parm.ac[q].aifsn = params->aifs;
+        il->ctx.qos_data.def_qos_parm.ac[q].edca_txop =
                                 cpu_to_le16((params->txop * 32));
 
-                ctx->qos_data.def_qos_parm.ac[q].reserved1 = 0;
-        }
+        il->ctx.qos_data.def_qos_parm.ac[q].reserved1 = 0;
 
         spin_unlock_irqrestore(&il->lock, flags);
 
@@ -1344,8 +1325,8 @@ il_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
         struct il_priv *il = hw->priv;
         struct il_vif_priv *vif_priv = (void *)vif->drv_priv;
-        struct il_rxon_context *tmp, *ctx = NULL;
         int err;
+        u32 modes;
 
         D_MAC80211("enter: type %d, addr %pM\n",
                            vif->type, vif->addr);
@@ -1358,42 +1339,29 @@ il_mac_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
                 goto out;
         }
 
-        for_each_context(il, tmp) {
-                u32 possible_modes =
-                        tmp->interface_modes | tmp->exclusive_interface_modes;
-
-                if (tmp->vif) {
-                        /* check if this busy context is exclusive */
-                        if (tmp->exclusive_interface_modes &
-                                                BIT(tmp->vif->type)) {
-                                err = -EINVAL;
-                                goto out;
-                        }
-                        continue;
-                }
 
-                if (!(possible_modes & BIT(vif->type)))
-                        continue;
-
-                /* have maybe usable context w/o interface */
-                ctx = tmp;
-                break;
+        /* check if busy context is exclusive */
+        if (il->ctx.vif &&
+            (il->ctx.exclusive_interface_modes & BIT(il->ctx.vif->type))) {
+                err = -EINVAL;
+                goto out;
         }
 
-        if (!ctx) {
+        modes = il->ctx.interface_modes | il->ctx.exclusive_interface_modes;
+        if (!(modes & BIT(vif->type))) {
                 err = -EOPNOTSUPP;
                 goto out;
         }
 
-        vif_priv->ctx = ctx;
-        ctx->vif = vif;
+        vif_priv->ctx = &il->ctx;
+        il->ctx.vif = vif;
 
-        err = il_setup_interface(il, ctx);
-        if (!err)
-                goto out;
+        err = il_setup_interface(il, &il->ctx);
+        if (err) {
+                il->ctx.vif = NULL;
+                il->iw_mode = NL80211_IFTYPE_STATION;
+        }
 
-        ctx->vif = NULL;
-        il->iw_mode = NL80211_IFTYPE_STATION;
  out:
         mutex_unlock(&il->mutex);
 
@@ -1764,8 +1732,7 @@ il_mac_change_interface(struct ieee80211_hw *hw,
 {
         struct il_priv *il = hw->priv;
         struct il_rxon_context *ctx = il_rxon_ctx_from_vif(vif);
-        struct il_rxon_context *tmp;
-        u32 interface_modes;
+        u32 modes;
         int err;
 
         newtype = ieee80211_iftype_p2p(newtype, newp2p);
@@ -1781,28 +1748,16 @@ il_mac_change_interface(struct ieee80211_hw *hw,
                 goto out;
         }
 
-        interface_modes = ctx->interface_modes | ctx->exclusive_interface_modes;
-
-        if (!(interface_modes & BIT(newtype))) {
-                err = -EBUSY;
+        modes = ctx->interface_modes | ctx->exclusive_interface_modes;
+        if (!(modes & BIT(newtype))) {
+                err = -EOPNOTSUPP;
                 goto out;
         }
 
-        if (ctx->exclusive_interface_modes & BIT(newtype)) {
-                for_each_context(il, tmp) {
-                        if (ctx == tmp)
-                                continue;
-
-                        if (!tmp->vif)
-                                continue;
-
-                        /*
-                         * The current mode switch would be exclusive, but
-                         * another context is active ... refuse the switch.
-                         */
-                        err = -EBUSY;
-                        goto out;
-                }
+        if ((il->ctx.exclusive_interface_modes & BIT(il->ctx.vif->type)) ||
+            (il->ctx.exclusive_interface_modes & BIT(newtype))) {
+                err = -EINVAL;
+                goto out;
         }
 
         /* success */
@@ -2064,7 +2019,7 @@ int il_mac_config(struct ieee80211_hw *hw, u32 changed)
         struct ieee80211_conf *conf = &hw->conf;
         struct ieee80211_channel *channel = conf->channel;
         struct il_ht_config *ht_conf = &il->current_ht_config;
-        struct il_rxon_context *ctx;
+        struct il_rxon_context *ctx = &il->ctx;
         unsigned long flags = 0;
         int ret = 0;
         u16 ch;
@@ -2097,14 +2052,14 @@ int il_mac_config(struct ieee80211_hw *hw, u32 changed)
                  * configured.
                  */
                 if (il->cfg->ops->hcmd->set_rxon_chain)
-                        for_each_context(il, ctx)
-                                il->cfg->ops->hcmd->set_rxon_chain(il, ctx);
+                        il->cfg->ops->hcmd->set_rxon_chain(il, &il->ctx);
         }
 
         /* during scanning mac80211 will delay channel setting until
          * scan finish with changed = 0
          */
         if (!changed || (changed & IEEE80211_CONF_CHANGE_CHANNEL)) {
+
                 if (scan_active)
                         goto set_ch_out;
 
@@ -2125,48 +2080,46 @@ int il_mac_config(struct ieee80211_hw *hw, u32 changed)
 
                 spin_lock_irqsave(&il->lock, flags);
 
-                for_each_context(il, ctx) {
-                        /* Configure HT40 channels */
-                        if (ctx->ht.enabled != conf_is_ht(conf)) {
-                                ctx->ht.enabled = conf_is_ht(conf);
-                                ht_changed = true;
-                        }
-                        if (ctx->ht.enabled) {
-                                if (conf_is_ht40_minus(conf)) {
-                                        ctx->ht.extension_chan_offset =
-                                        IEEE80211_HT_PARAM_CHA_SEC_BELOW;
-                                        ctx->ht.is_40mhz = true;
-                                } else if (conf_is_ht40_plus(conf)) {
-                                        ctx->ht.extension_chan_offset =
-                                        IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
-                                        ctx->ht.is_40mhz = true;
-                                } else {
-                                        ctx->ht.extension_chan_offset =
-                                        IEEE80211_HT_PARAM_CHA_SEC_NONE;
-                                        ctx->ht.is_40mhz = false;
-                                }
-                        } else
+                /* Configure HT40 channels */
+                if (ctx->ht.enabled != conf_is_ht(conf)) {
+                        ctx->ht.enabled = conf_is_ht(conf);
+                        ht_changed = true;
+                }
+                if (ctx->ht.enabled) {
+                        if (conf_is_ht40_minus(conf)) {
+                                ctx->ht.extension_chan_offset =
+                                IEEE80211_HT_PARAM_CHA_SEC_BELOW;
+                                ctx->ht.is_40mhz = true;
+                        } else if (conf_is_ht40_plus(conf)) {
+                                ctx->ht.extension_chan_offset =
+                                IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+                                ctx->ht.is_40mhz = true;
+                        } else {
+                                ctx->ht.extension_chan_offset =
+                                IEEE80211_HT_PARAM_CHA_SEC_NONE;
                                 ctx->ht.is_40mhz = false;
+                        }
+                } else
+                        ctx->ht.is_40mhz = false;
 
-                        /*
-                         * Default to no protection. Protection mode will
-                         * later be set from BSS config in il_ht_conf
-                         */
-                        ctx->ht.protection =
-                                        IEEE80211_HT_OP_MODE_PROTECTION_NONE;
+                /*
+                 * Default to no protection. Protection mode will
+                 * later be set from BSS config in il_ht_conf
+                 */
+                ctx->ht.protection =
+                                IEEE80211_HT_OP_MODE_PROTECTION_NONE;
 
-                        /* if we are switching from ht to 2.4 clear flags
-                         * from any ht related info since 2.4 does not
-                         * support ht */
-                        if ((le16_to_cpu(ctx->staging.channel) != ch))
-                                ctx->staging.flags = 0;
+                /* if we are switching from ht to 2.4 clear flags
+                 * from any ht related info since 2.4 does not
+                 * support ht */
+                if ((le16_to_cpu(ctx->staging.channel) != ch))
+                        ctx->staging.flags = 0;
 
-                        il_set_rxon_channel(il, channel, ctx);
-                        il_set_rxon_ht(il, ht_conf);
+                il_set_rxon_channel(il, channel, ctx);
+                il_set_rxon_ht(il, ht_conf);
 
-                        il_set_flags_for_band(il, ctx, channel->band,
-                                               ctx->vif);
-                }
+                il_set_flags_for_band(il, ctx, channel->band,
+                                       ctx->vif);
 
                 spin_unlock_irqrestore(&il->lock, flags);
 
@@ -2203,15 +2156,12 @@ int il_mac_config(struct ieee80211_hw *hw, u32 changed)
         if (scan_active)
                 goto out;
 
-        for_each_context(il, ctx) {
-                if (memcmp(&ctx->active, &ctx->staging, sizeof(ctx->staging)))
-                        il_commit_rxon(il, ctx);
-                else
-                        D_INFO(
-                                "Not re-sending same RXON configuration.\n");
-                if (ht_changed)
-                        il_update_qos(il, ctx);
-        }
+        if (memcmp(&ctx->active, &ctx->staging, sizeof(ctx->staging)))
+                il_commit_rxon(il, ctx);
+        else
+                D_INFO("Not re-sending same RXON configuration.\n");
+        if (ht_changed)
+                il_update_qos(il, ctx);
 
 out:
         D_MAC80211("leave\n");
diff --git a/drivers/net/wireless/iwlegacy/iwl-debugfs.c b/drivers/net/wireless/iwlegacy/iwl-debugfs.c
index e8153b0dc5b7..8448db7d8f39 100644
--- a/drivers/net/wireless/iwlegacy/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlegacy/iwl-debugfs.c
@@ -599,26 +599,24 @@ il_dbgfs_qos_read(struct file *file, char __user *user_buf,
                                        size_t count, loff_t *ppos)
 {
         struct il_priv *il = file->private_data;
-        struct il_rxon_context *ctx;
+        struct il_rxon_context *ctx = &il->ctx;
         int pos = 0, i;
         char buf[256];
         const size_t bufsz = sizeof(buf);
 
-        for_each_context(il, ctx) {
-                pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
-                                 ctx->ctxid);
-                for (i = 0; i < AC_NUM; i++) {
-                        pos += scnprintf(buf + pos, bufsz - pos,
-                                "\tcw_min\tcw_max\taifsn\ttxop\n");
-                        pos += scnprintf(buf + pos, bufsz - pos,
-                                "AC[%d]\t%u\t%u\t%u\t%u\n", i,
-                                ctx->qos_data.def_qos_parm.ac[i].cw_min,
-                                ctx->qos_data.def_qos_parm.ac[i].cw_max,
-                                ctx->qos_data.def_qos_parm.ac[i].aifsn,
-                                ctx->qos_data.def_qos_parm.ac[i].edca_txop);
-                }
-                pos += scnprintf(buf + pos, bufsz - pos, "\n");
+        pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n",
+                         ctx->ctxid);
+        for (i = 0; i < AC_NUM; i++) {
+                pos += scnprintf(buf + pos, bufsz - pos,
+                        "\tcw_min\tcw_max\taifsn\ttxop\n");
+                pos += scnprintf(buf + pos, bufsz - pos,
+                        "AC[%d]\t%u\t%u\t%u\t%u\n", i,
+                        ctx->qos_data.def_qos_parm.ac[i].cw_min,
+                        ctx->qos_data.def_qos_parm.ac[i].cw_max,
+                        ctx->qos_data.def_qos_parm.ac[i].aifsn,
+                        ctx->qos_data.def_qos_parm.ac[i].edca_txop);
         }
+
         return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 }
 
diff --git a/drivers/net/wireless/iwlegacy/iwl-scan.c b/drivers/net/wireless/iwlegacy/iwl-scan.c
index 71b2fac1b5d3..18226d1988a7 100644
--- a/drivers/net/wireless/iwlegacy/iwl-scan.c
+++ b/drivers/net/wireless/iwlegacy/iwl-scan.c
@@ -290,7 +290,9 @@ u16 il_get_passive_dwell_time(struct il_priv *il,
                                enum ieee80211_band band,
                                struct ieee80211_vif *vif)
 {
-        struct il_rxon_context *ctx;
+        struct il_rxon_context *ctx = &il->ctx;
+        u16 value;
+
         u16 passive = (band == IEEE80211_BAND_2GHZ) ?
             IL_PASSIVE_DWELL_BASE + IL_PASSIVE_DWELL_TIME_24 :
             IL_PASSIVE_DWELL_BASE + IL_PASSIVE_DWELL_TIME_52;
@@ -301,17 +303,11 @@ u16 il_get_passive_dwell_time(struct il_priv *il,
                  * dwell time to be 98% of the smallest beacon interval
                  * (minus 2 * channel tune time)
                  */
-                for_each_context(il, ctx) {
-                        u16 value;
-
-                        if (!il_is_associated_ctx(ctx))
-                                continue;
-                        value = ctx->vif ? ctx->vif->bss_conf.beacon_int : 0;
-                        if (value > IL_PASSIVE_DWELL_BASE || !value)
-                                value = IL_PASSIVE_DWELL_BASE;
-                        value = (value * 98) / 100 - IL_CHANNEL_TUNE_TIME * 2;
-                        passive = min(value, passive);
-                }
+                value = ctx->vif ? ctx->vif->bss_conf.beacon_int : 0;
+                if (value > IL_PASSIVE_DWELL_BASE || !value)
+                        value = IL_PASSIVE_DWELL_BASE;
+                value = (value * 98) / 100 - IL_CHANNEL_TUNE_TIME * 2;
+                passive = min(value, passive);
         }
 
         return passive;
diff --git a/drivers/net/wireless/iwlegacy/iwl-sta.h b/drivers/net/wireless/iwlegacy/iwl-sta.h
index f07cd7f7b8ae..afd3003f654b 100644
--- a/drivers/net/wireless/iwlegacy/iwl-sta.h
+++ b/drivers/net/wireless/iwlegacy/iwl-sta.h
@@ -84,7 +84,7 @@ int il_send_lq_cmd(struct il_priv *il,
 static inline void il_clear_driver_stations(struct il_priv *il)
 {
         unsigned long flags;
-        struct il_rxon_context *ctx;
+        struct il_rxon_context *ctx = &il->ctx;
 
         spin_lock_irqsave(&il->sta_lock, flags);
         memset(il->stations, 0, sizeof(il->stations));
@@ -92,17 +92,15 @@ static inline void il_clear_driver_stations(struct il_priv *il)
 
         il->ucode_key_table = 0;
 
-        for_each_context(il, ctx) {
-                /*
-                 * Remove all key information that is not stored as part
-                 * of station information since mac80211 may not have had
-                 * a chance to remove all the keys. When device is
-                 * reconfigured by mac80211 after an error all keys will
-                 * be reconfigured.
-                 */
-                memset(ctx->wep_keys, 0, sizeof(ctx->wep_keys));
-                ctx->key_mapping_keys = 0;
-        }
+        /*
+         * Remove all key information that is not stored as part
+         * of station information since mac80211 may not have had
+         * a chance to remove all the keys. When device is
+         * reconfigured by mac80211 after an error all keys will
+         * be reconfigured.
+         */
+        memset(ctx->wep_keys, 0, sizeof(ctx->wep_keys));
+        ctx->key_mapping_keys = 0;
 
         spin_unlock_irqrestore(&il->sta_lock, flags);
 }
diff --git a/drivers/net/wireless/iwlegacy/iwl3945-base.c b/drivers/net/wireless/iwlegacy/iwl3945-base.c
index 41104e72d299..151c8faa18dd 100644
--- a/drivers/net/wireless/iwlegacy/iwl3945-base.c
+++ b/drivers/net/wireless/iwlegacy/iwl3945-base.c
@@ -2710,10 +2710,8 @@ static void il3945_bg_restart(struct work_struct *data)
                 return;
 
         if (test_and_clear_bit(STATUS_FW_ERROR, &il->status)) {
-                struct il_rxon_context *ctx;
                 mutex_lock(&il->mutex);
-                for_each_context(il, ctx)
-                        ctx->vif = NULL;
+                il->ctx.vif = NULL;
                 il->is_open = 0;
                 mutex_unlock(&il->mutex);
                 il3945_down(il);
diff --git a/drivers/net/wireless/iwlegacy/iwl4965-base.c b/drivers/net/wireless/iwlegacy/iwl4965-base.c
index 043d51e9d59e..df86431d3bae 100644
--- a/drivers/net/wireless/iwlegacy/iwl4965-base.c
+++ b/drivers/net/wireless/iwlegacy/iwl4965-base.c
@@ -89,14 +89,10 @@ MODULE_ALIAS("iwl4965");
 
 void il4965_update_chain_flags(struct il_priv *il)
 {
-        struct il_rxon_context *ctx;
-
         if (il->cfg->ops->hcmd->set_rxon_chain) {
-                for_each_context(il, ctx) {
-                        il->cfg->ops->hcmd->set_rxon_chain(il, ctx);
-                        if (ctx->active.rx_chain != ctx->staging.rx_chain)
-                                il_commit_rxon(il, ctx);
-                }
+                il->cfg->ops->hcmd->set_rxon_chain(il, &il->ctx);
+                if (il->ctx.active.rx_chain != il->ctx.staging.rx_chain)
+                        il_commit_rxon(il, &il->ctx);
         }
 }
 
@@ -1766,10 +1762,8 @@ static void il4965_alive_start(struct il_priv *il)
                 ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
                 active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
         } else {
-                struct il_rxon_context *tmp;
                 /* Initialize our rx_config data */
-                for_each_context(il, tmp)
-                        il_connection_init_rx_config(il, tmp);
+                il_connection_init_rx_config(il, &il->ctx);
 
                 if (il->cfg->ops->hcmd->set_rxon_chain)
                         il->cfg->ops->hcmd->set_rxon_chain(il, ctx);
@@ -1950,7 +1944,6 @@ static int il4965_prepare_card_hw(struct il_priv *il)
 
 static int __il4965_up(struct il_priv *il)
 {
-        struct il_rxon_context *ctx;
         int i;
         int ret;
 
@@ -1964,12 +1957,10 @@ static int __il4965_up(struct il_priv *il)
                 return -EIO;
         }
 
-        for_each_context(il, ctx) {
-                ret = il4965_alloc_bcast_station(il, ctx);
-                if (ret) {
-                        il_dealloc_bcast_stations(il);
-                        return ret;
-                }
+        ret = il4965_alloc_bcast_station(il, &il->ctx);
+        if (ret) {
+                il_dealloc_bcast_stations(il);
+                return ret;
         }
 
         il4965_prepare_card_hw(il);
@@ -2121,11 +2112,8 @@ static void il4965_bg_restart(struct work_struct *data)
                 return;
 
         if (test_and_clear_bit(STATUS_FW_ERROR, &il->status)) {
-                struct il_rxon_context *ctx;
-
                 mutex_lock(&il->mutex);
-                for_each_context(il, ctx)
-                        ctx->vif = NULL;
+                il->ctx.vif = NULL;
                 il->is_open = 0;
 
                 __il4965_down(il);
@@ -2177,7 +2165,6 @@ static int il4965_mac_setup_register(struct il_priv *il,
 {
         int ret;
         struct ieee80211_hw *hw = il->hw;
-        struct il_rxon_context *ctx;
 
         hw->rate_control_algorithm = "iwl-4965-rs";
 
@@ -2195,10 +2182,8 @@ static int il4965_mac_setup_register(struct il_priv *il,
         hw->sta_data_size = sizeof(struct il_station_priv);
         hw->vif_data_size = sizeof(struct il_vif_priv);
 
-        for_each_context(il, ctx) {
-                hw->wiphy->interface_modes |= ctx->interface_modes;
-                hw->wiphy->interface_modes |= ctx->exclusive_interface_modes;
-        }
+        hw->wiphy->interface_modes |= il->ctx.interface_modes;
+        hw->wiphy->interface_modes |= il->ctx.exclusive_interface_modes;
 
         hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY |
                             WIPHY_FLAG_DISABLE_BEACON_HINTS;
@@ -2590,7 +2575,6 @@ void il4965_configure_filter(struct ieee80211_hw *hw,
 {
         struct il_priv *il = hw->priv;
         __le32 filter_or = 0, filter_nand = 0;
-        struct il_rxon_context *ctx;
 
 #define CHK(test, flag) do { \
         if (*total_flags & (test))              \
@@ -2611,15 +2595,13 @@ void il4965_configure_filter(struct ieee80211_hw *hw,
 
         mutex_lock(&il->mutex);
 
-        for_each_context(il, ctx) {
-                ctx->staging.filter_flags &= ~filter_nand;
-                ctx->staging.filter_flags |= filter_or;
+        il->ctx.staging.filter_flags &= ~filter_nand;
+        il->ctx.staging.filter_flags |= filter_or;
 
-                /*
-                 * Not committing directly because hardware can perform a scan,
-                 * but we'll eventually commit the filter flags change anyway.
-                 */
-        }
+        /*
+         * Not committing directly because hardware can perform a scan,
+         * but we'll eventually commit the filter flags change anyway.
+         */
 
         mutex_unlock(&il->mutex);