iwlwifi: op_mode holds its pointer to the config

Instead of using the shared area that we be killed.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tt.c b/drivers/net/wireless/iwlwifi/iwl-agn-tt.c
index 18276db..f6bf874 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tt.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tt.c
@@ -632,7 +632,7 @@
 	INIT_WORK(&priv->ct_enter, iwl_bg_ct_enter);
 	INIT_WORK(&priv->ct_exit, iwl_bg_ct_exit);
 
-	if (cfg(priv)->base_params->adv_thermal_throttle) {
+	if (priv->cfg->base_params->adv_thermal_throttle) {
 		IWL_DEBUG_TEMP(priv, "Advanced Thermal Throttling\n");
 		tt->restriction = kcalloc(IWL_TI_STATE_MAX,
 					  sizeof(struct iwl_tt_restriction),