1 files changed, 5 insertions, 14 deletions

diff --git a/drivers/net/ipg.c b/drivers/net/ipg.c
index cd1650e99369..9752902f2d9a 100644
--- a/drivers/net/ipg.c
+++ b/drivers/net/ipg.c
@@ -857,21 +857,14 @@ static void init_tfdlist(struct net_device *dev)
 static void ipg_nic_txfree(struct net_device *dev)
 {
         struct ipg_nic_private *sp = netdev_priv(dev);
-        void __iomem *ioaddr = sp->ioaddr;
-        unsigned int curr;
-        u64 txd_map;
-        unsigned int released, pending;
-
-        txd_map = (u64)sp->txd_map;
-        curr = ipg_r32(TFD_LIST_PTR_0) -
-                do_div(txd_map, sizeof(struct ipg_tx)) - 1;
+        unsigned int released, pending, dirty;
 
         IPG_DEBUG_MSG("_nic_txfree\n");
 
         pending = sp->tx_current - sp->tx_dirty;
+        dirty = sp->tx_dirty % IPG_TFDLIST_LENGTH;
 
         for (released = 0; released < pending; released++) {
-                unsigned int dirty = sp->tx_dirty % IPG_TFDLIST_LENGTH;
                 struct sk_buff *skb = sp->TxBuff[dirty];
                 struct ipg_tx *txfd = sp->txd + dirty;
 
@@ -882,11 +875,8 @@ static void ipg_nic_txfree(struct net_device *dev)
                  * If the TFDDone bit is set, free the associated
                  * buffer.
                  */
-                if (dirty == curr)
-                        break;
-
-                /* Setup TFDDONE for compatible issue. */
-                txfd->tfc |= cpu_to_le64(IPG_TFC_TFDDONE);
+                if (!(txfd->tfc & cpu_to_le64(IPG_TFC_TFDDONE)))
+                        break;
 
                 /* Free the transmit buffer. */
                 if (skb) {
@@ -898,6 +888,7 @@ static void ipg_nic_txfree(struct net_device *dev)
 
                         sp->TxBuff[dirty] = NULL;
                 }
+                dirty = (dirty + 1) % IPG_TFDLIST_LENGTH;
         }
 
         sp->tx_dirty += released;