fakelb: declare rwlock static

This patch moves the rwlock declarition into a static variable.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 7 insertions, 9 deletions

diff --git a/drivers/net/ieee802154/fakelb.c b/drivers/net/ieee802154/fakelb.c
index d5fb77678349..43370fb48cf6 100644
--- a/drivers/net/ieee802154/fakelb.c
+++ b/drivers/net/ieee802154/fakelb.c
@@ -28,6 +28,7 @@
 #include <net/cfg802154.h>
 
 static int numlbs = 2;
+static DEFINE_RWLOCK(fakelb_lock);
 
 struct fakelb_phy {
         struct ieee802154_hw *hw;
@@ -41,7 +42,6 @@ struct fakelb_phy {
 
 struct fakelb_priv {
         struct list_head list;
-        rwlock_t lock;
 };
 
 static int
@@ -79,10 +79,9 @@ static int
 fakelb_hw_xmit(struct ieee802154_hw *hw, struct sk_buff *skb)
 {
         struct fakelb_phy *current_phy = hw->priv;
-        struct fakelb_priv *fake = current_phy->fake;
         struct fakelb_phy *phy;
 
-        read_lock_bh(&fake->lock);
+        read_lock_bh(&fakelb_lock);
         list_for_each_entry(phy, &current_phy->fake->list, list) {
                 if (current_phy == phy)
                         continue;
@@ -91,7 +90,7 @@ fakelb_hw_xmit(struct ieee802154_hw *hw, struct sk_buff *skb)
                     current_phy->hw->phy->current_channel)
                         fakelb_hw_deliver(phy, skb);
         }
-        read_unlock_bh(&fake->lock);
+        read_unlock_bh(&fakelb_lock);
 
         return 0;
 }
@@ -188,9 +187,9 @@ static int fakelb_add_one(struct device *dev, struct fakelb_priv *fake)
         if (err)
                 goto err_reg;
 
-        write_lock_bh(&fake->lock);
+        write_lock_bh(&fakelb_lock);
         list_add_tail(&phy->list, &fake->list);
-        write_unlock_bh(&fake->lock);
+        write_unlock_bh(&fakelb_lock);
 
         return 0;
 
@@ -201,9 +200,9 @@ err_reg:
 
 static void fakelb_del(struct fakelb_phy *phy)
 {
-        write_lock_bh(&phy->fake->lock);
+        write_lock_bh(&fakelb_lock);
         list_del(&phy->list);
-        write_unlock_bh(&phy->fake->lock);
+        write_unlock_bh(&fakelb_lock);
 
         ieee802154_unregister_hw(phy->hw);
         ieee802154_free_hw(phy->hw);
@@ -222,7 +221,6 @@ static int fakelb_probe(struct platform_device *pdev)
                 goto err_alloc;
 
         INIT_LIST_HEAD(&priv->list);
-        rwlock_init(&priv->lock);
 
         for (i = 0; i < numlbs; i++) {
                 err = fakelb_add_one(&pdev->dev, priv);