iwlwifi: make scan workqueue functions static

We do not need export iwl_bg.*scan.*() functions just for initialize
workqueue in other module. Making that functions static helps with
iwl-scan.c code review a bit.

Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index a4b3663..ac51084 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -378,7 +378,7 @@
 	queue_work(priv->workqueue, &priv->start_internal_scan);
 }
 
-void iwl_bg_start_internal_scan(struct work_struct *work)
+static void iwl_bg_start_internal_scan(struct work_struct *work)
 {
 	struct iwl_priv *priv =
 		container_of(work, struct iwl_priv, start_internal_scan);
@@ -418,9 +418,8 @@
  unlock:
 	mutex_unlock(&priv->mutex);
 }
-EXPORT_SYMBOL(iwl_bg_start_internal_scan);
 
-void iwl_bg_scan_check(struct work_struct *data)
+static void iwl_bg_scan_check(struct work_struct *data)
 {
 	struct iwl_priv *priv =
 	    container_of(data, struct iwl_priv, scan_check.work);
@@ -439,7 +438,6 @@
 	}
 	mutex_unlock(&priv->mutex);
 }
-EXPORT_SYMBOL(iwl_bg_scan_check);
 
 /**
  * iwl_fill_probe_req - fill in all required fields and IE for probe request
@@ -489,7 +487,7 @@
 }
 EXPORT_SYMBOL(iwl_fill_probe_req);
 
-void iwl_bg_abort_scan(struct work_struct *work)
+static void iwl_bg_abort_scan(struct work_struct *work)
 {
 	struct iwl_priv *priv = container_of(work, struct iwl_priv, abort_scan);
 
@@ -504,9 +502,8 @@
 		iwl_send_scan_abort(priv);
 	mutex_unlock(&priv->mutex);
 }
-EXPORT_SYMBOL(iwl_bg_abort_scan);
 
-void iwl_bg_scan_completed(struct work_struct *work)
+static void iwl_bg_scan_completed(struct work_struct *work)
 {
 	struct iwl_priv *priv =
 	    container_of(work, struct iwl_priv, scan_completed);
@@ -555,7 +552,6 @@
 	if (!internal)
 		ieee80211_scan_completed(priv->hw, false);
 }
-EXPORT_SYMBOL(iwl_bg_scan_completed);
 
 void iwl_setup_scan_deferred_work(struct iwl_priv *priv)
 {