fakelb: don't deliver when one phy

A real phy don't transmit the transmitted frame back to the phy. This
behaviour will confuse the 6LoWPAN and the upper IPv6 neighbour
discovery cache. We need now at least two virtual phy's to creating a
virtual wpan network.

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

1 files changed, 8 insertions, 12 deletions

diff --git a/drivers/net/ieee802154/fakelb.c b/drivers/net/ieee802154/fakelb.c
index 5c4fbb861eb0..d5fb77678349 100644
--- a/drivers/net/ieee802154/fakelb.c
+++ b/drivers/net/ieee802154/fakelb.c
@@ -80,20 +80,16 @@ 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);
-        if (current_phy->list.next == current_phy->list.prev) {
-                /* we are the only one device */
-                fakelb_hw_deliver(current_phy, skb);
-        } else {
-                struct fakelb_phy *phy;
-
-                list_for_each_entry(phy, &current_phy->fake->list, list) {
-                        if (current_phy != phy &&
-                            (phy->hw->phy->current_channel ==
-                             current_phy->hw->phy->current_channel))
-                                fakelb_hw_deliver(phy, skb);
-                }
+        list_for_each_entry(phy, &current_phy->fake->list, list) {
+                if (current_phy == phy)
+                        continue;
+
+                if (phy->hw->phy->current_channel ==
+                    current_phy->hw->phy->current_channel)
+                        fakelb_hw_deliver(phy, skb);
         }
         read_unlock_bh(&fake->lock);