Merge tag 'iwlwifi-for-kalle-2015-12-16' into next

* don't load firmware that won't exist for 7260
* fix RCU splat

diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-7000.c b/drivers/net/wireless/intel/iwlwifi/iwl-7000.c
index 51fec203a84587e8f2466915445cd4b2195eb224..390ee4d303db1334ae5245aa628d08ae7151b901 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/iwl-7000.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-7000.c
@@ -71,13 +71,19 @@
 #include "iwl-agn-hw.h"
 
 /* Highest firmware API version supported */
-#define IWL7260_UCODE_API_MAX  19
+#define IWL7260_UCODE_API_MAX  17
+#define IWL7265_UCODE_API_MAX  19
+#define IWL7265D_UCODE_API_MAX 19
 
 /* Oldest version we won't warn about */
 #define IWL7260_UCODE_API_OK   13
+#define IWL7265_UCODE_API_OK   13
+#define IWL7265D_UCODE_API_OK  13
 
 /* Lowest firmware API version supported */
 #define IWL7260_UCODE_API_MIN  13
+#define IWL7265_UCODE_API_MIN  13
+#define IWL7265D_UCODE_API_MIN 13
 
 /* NVM versions */
 #define IWL7260_NVM_VERSION            0x0a1d
@@ -151,10 +157,7 @@ static const struct iwl_ht_params iwl7000_ht_params = {
        .ht40_bands = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ),
 };
 
-#define IWL_DEVICE_7000                                                \
-       .ucode_api_max = IWL7260_UCODE_API_MAX,                 \
-       .ucode_api_ok = IWL7260_UCODE_API_OK,                   \
-       .ucode_api_min = IWL7260_UCODE_API_MIN,                 \
+#define IWL_DEVICE_7000_COMMON                                 \
        .device_family = IWL_DEVICE_FAMILY_7000,                \
        .max_inst_size = IWL60_RTC_INST_SIZE,                   \
        .max_data_size = IWL60_RTC_DATA_SIZE,                   \
@@ -165,6 +168,24 @@ static const struct iwl_ht_params iwl7000_ht_params = {
        .max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K,    \
        .dccm_offset = IWL7000_DCCM_OFFSET
 
+#define IWL_DEVICE_7000                                                \
+       IWL_DEVICE_7000_COMMON,                                 \
+       .ucode_api_max = IWL7260_UCODE_API_MAX,                 \
+       .ucode_api_ok = IWL7260_UCODE_API_OK,                   \
+       .ucode_api_min = IWL7260_UCODE_API_MIN
+
+#define IWL_DEVICE_7005                                                \
+       IWL_DEVICE_7000_COMMON,                                 \
+       .ucode_api_max = IWL7265_UCODE_API_MAX,                 \
+       .ucode_api_ok = IWL7265_UCODE_API_OK,                   \
+       .ucode_api_min = IWL7265_UCODE_API_MIN
+
+#define IWL_DEVICE_7005D                                       \
+       IWL_DEVICE_7000_COMMON,                                 \
+       .ucode_api_max = IWL7265D_UCODE_API_MAX,                \
+       .ucode_api_ok = IWL7265D_UCODE_API_OK,                  \
+       .ucode_api_min = IWL7265D_UCODE_API_MIN
+
 const struct iwl_cfg iwl7260_2ac_cfg = {
        .name = "Intel(R) Dual Band Wireless AC 7260",
        .fw_name_pre = IWL7260_FW_PRE,
@@ -268,7 +289,7 @@ static const struct iwl_ht_params iwl7265_ht_params = {
 const struct iwl_cfg iwl3165_2ac_cfg = {
        .name = "Intel(R) Dual Band Wireless AC 3165",
        .fw_name_pre = IWL7265D_FW_PRE,
-       IWL_DEVICE_7000,
+       IWL_DEVICE_7005D,
        .ht_params = &iwl7000_ht_params,
        .nvm_ver = IWL3165_NVM_VERSION,
        .nvm_calib_ver = IWL3165_TX_POWER_VERSION,
@@ -290,7 +311,7 @@ const struct iwl_cfg iwl3168_2ac_cfg = {
 const struct iwl_cfg iwl7265_2ac_cfg = {
        .name = "Intel(R) Dual Band Wireless AC 7265",
        .fw_name_pre = IWL7265_FW_PRE,
-       IWL_DEVICE_7000,
+       IWL_DEVICE_7005,
        .ht_params = &iwl7265_ht_params,
        .nvm_ver = IWL7265_NVM_VERSION,
        .nvm_calib_ver = IWL7265_TX_POWER_VERSION,
@@ -301,7 +322,7 @@ const struct iwl_cfg iwl7265_2ac_cfg = {
 const struct iwl_cfg iwl7265_2n_cfg = {
        .name = "Intel(R) Dual Band Wireless N 7265",
        .fw_name_pre = IWL7265_FW_PRE,
-       IWL_DEVICE_7000,
+       IWL_DEVICE_7005,
        .ht_params = &iwl7265_ht_params,
        .nvm_ver = IWL7265_NVM_VERSION,
        .nvm_calib_ver = IWL7265_TX_POWER_VERSION,
@@ -312,7 +333,7 @@ const struct iwl_cfg iwl7265_2n_cfg = {
 const struct iwl_cfg iwl7265_n_cfg = {
        .name = "Intel(R) Wireless N 7265",
        .fw_name_pre = IWL7265_FW_PRE,
-       IWL_DEVICE_7000,
+       IWL_DEVICE_7005,
        .ht_params = &iwl7265_ht_params,
        .nvm_ver = IWL7265_NVM_VERSION,
        .nvm_calib_ver = IWL7265_TX_POWER_VERSION,
@@ -323,7 +344,7 @@ const struct iwl_cfg iwl7265_n_cfg = {
 const struct iwl_cfg iwl7265d_2ac_cfg = {
        .name = "Intel(R) Dual Band Wireless AC 7265",
        .fw_name_pre = IWL7265D_FW_PRE,
-       IWL_DEVICE_7000,
+       IWL_DEVICE_7005D,
        .ht_params = &iwl7265_ht_params,
        .nvm_ver = IWL7265D_NVM_VERSION,
        .nvm_calib_ver = IWL7265_TX_POWER_VERSION,
@@ -334,7 +355,7 @@ const struct iwl_cfg iwl7265d_2ac_cfg = {
 const struct iwl_cfg iwl7265d_2n_cfg = {
        .name = "Intel(R) Dual Band Wireless N 7265",
        .fw_name_pre = IWL7265D_FW_PRE,
-       IWL_DEVICE_7000,
+       IWL_DEVICE_7005D,
        .ht_params = &iwl7265_ht_params,
        .nvm_ver = IWL7265D_NVM_VERSION,
        .nvm_calib_ver = IWL7265_TX_POWER_VERSION,
@@ -345,7 +366,7 @@ const struct iwl_cfg iwl7265d_2n_cfg = {
 const struct iwl_cfg iwl7265d_n_cfg = {
        .name = "Intel(R) Wireless N 7265",
        .fw_name_pre = IWL7265D_FW_PRE,
-       IWL_DEVICE_7000,
+       IWL_DEVICE_7005D,
        .ht_params = &iwl7265_ht_params,
        .nvm_ver = IWL7265D_NVM_VERSION,
        .nvm_calib_ver = IWL7265_TX_POWER_VERSION,
@@ -355,5 +376,5 @@ const struct iwl_cfg iwl7265d_n_cfg = {
 
 MODULE_FIRMWARE(IWL7260_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));
 MODULE_FIRMWARE(IWL3160_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));
-MODULE_FIRMWARE(IWL7265_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));
-MODULE_FIRMWARE(IWL7265D_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));
+MODULE_FIRMWARE(IWL7265_MODULE_FIRMWARE(IWL7265_UCODE_API_OK));
+MODULE_FIRMWARE(IWL7265D_MODULE_FIRMWARE(IWL7265D_UCODE_API_OK));

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
index 78ff21a88a8b83fb4e0b8125cba1b9775c1b51cd..df1fed7e4c1c32158bda97c55e72078be2055551 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
@@ -1224,8 +1224,8 @@ static u8 iwl_mvm_get_key_sta_id(struct iwl_mvm *mvm,
            mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
                u8 sta_id = mvmvif->ap_sta_id;
 
-               sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
-                                               lockdep_is_held(&mvm->mutex));
+               sta = rcu_dereference_check(mvm->fw_id_to_mac_id[sta_id],
+                                           lockdep_is_held(&mvm->mutex));
                /*
                 * It is possible that the 'sta' parameter is NULL,
                 * for example when a GTK is removed - the sta_id will then
@@ -1592,14 +1592,15 @@ void iwl_mvm_update_tkip_key(struct iwl_mvm *mvm,
                             u16 *phase1key)
 {
        struct iwl_mvm_sta *mvm_sta;
-       u8 sta_id = iwl_mvm_get_key_sta_id(mvm, vif, sta);
+       u8 sta_id;
        bool mcast = !(keyconf->flags & IEEE80211_KEY_FLAG_PAIRWISE);
 
-       if (WARN_ON_ONCE(sta_id == IWL_MVM_STATION_COUNT))
-               return;
-
        rcu_read_lock();
 
+       sta_id = iwl_mvm_get_key_sta_id(mvm, vif, sta);
+       if (WARN_ON_ONCE(sta_id == IWL_MVM_STATION_COUNT))
+               goto unlock;
+
        if (!sta) {
                sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
                if (WARN_ON(IS_ERR_OR_NULL(sta))) {
@@ -1611,6 +1612,8 @@ void iwl_mvm_update_tkip_key(struct iwl_mvm *mvm,
        mvm_sta = iwl_mvm_sta_from_mac80211(sta);
        iwl_mvm_send_sta_key(mvm, mvm_sta, keyconf, mcast,
                             iv32, phase1key, CMD_ASYNC, keyconf->hw_key_idx);
+
+ unlock:
        rcu_read_unlock();
 }