Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

[pandora-kernel.git] / drivers / net / tlan.c

diff --git a/drivers/net/tlan.c b/drivers/net/tlan.c
index 055d342..369eec7 100644 (file)
--- a/drivers/net/tlan.c
+++ b/drivers/net/tlan.c
@@ -1098,6 +1098,7 @@ static int TLan_StartTx( struct sk_buff *skb, struct net_device *dev )
        dma_addr_t      tail_list_phys;
        u8              *tail_buffer;
        unsigned long   flags;
+       unsigned int    txlen;
 
        if ( ! priv->phyOnline ) {
                TLAN_DBG( TLAN_DEBUG_TX, "TRANSMIT:  %s PHY is not ready\n",
@@ -1108,6 +1109,7 @@ static int TLan_StartTx( struct sk_buff *skb, struct net_device *dev )
 
        if (skb_padto(skb, TLAN_MIN_FRAME_SIZE))
                return 0;
+       txlen = max(skb->len, (unsigned int)TLAN_MIN_FRAME_SIZE);
 
        tail_list = priv->txList + priv->txTail;
        tail_list_phys = priv->txListDMA + sizeof(TLanList) * priv->txTail;
@@ -1125,16 +1127,16 @@ static int TLan_StartTx( struct sk_buff *skb, struct net_device *dev )
 
        if ( bbuf ) {
                tail_buffer = priv->txBuffer + ( priv->txTail * TLAN_MAX_FRAME_SIZE );
-               skb_copy_from_linear_data(skb, tail_buffer, skb->len);
+               skb_copy_from_linear_data(skb, tail_buffer, txlen);
        } else {
                tail_list->buffer[0].address = pci_map_single(priv->pciDev,
-                                                             skb->data, skb->len,
+                                                             skb->data, txlen,
                                                              PCI_DMA_TODEVICE);
                TLan_StoreSKB(tail_list, skb);
        }
 
-       tail_list->frameSize = (u16) skb->len;
-       tail_list->buffer[0].count = TLAN_LAST_BUFFER | (u32) skb->len;
+       tail_list->frameSize = (u16) txlen;
+       tail_list->buffer[0].count = TLAN_LAST_BUFFER | (u32) txlen;
        tail_list->buffer[1].count = 0;
        tail_list->buffer[1].address = 0;
 
@@ -1431,7 +1433,9 @@ static u32 TLan_HandleTxEOF( struct net_device *dev, u16 host_int )
                if ( ! bbuf ) {
                        struct sk_buff *skb = TLan_GetSKB(head_list);
                        pci_unmap_single(priv->pciDev, head_list->buffer[0].address,
-                                        skb->len, PCI_DMA_TODEVICE);
+                                        max(skb->len,
+                                            (unsigned int)TLAN_MIN_FRAME_SIZE),
+                                        PCI_DMA_TODEVICE);
                        dev_kfree_skb_any(skb);
                        head_list->buffer[8].address = 0;
                        head_list->buffer[9].address = 0;
@@ -2053,9 +2057,12 @@ static void TLan_FreeLists( struct net_device *dev )
                        list = priv->txList + i;
                        skb = TLan_GetSKB(list);
                        if ( skb ) {
-                               pci_unmap_single(priv->pciDev,
-                                                list->buffer[0].address, skb->len,
-                                                PCI_DMA_TODEVICE);
+                               pci_unmap_single(
+                                       priv->pciDev,
+                                       list->buffer[0].address,
+                                       max(skb->len,
+                                           (unsigned int)TLAN_MIN_FRAME_SIZE),
+                                       PCI_DMA_TODEVICE);
                                dev_kfree_skb_any( skb );
                                list->buffer[8].address = 0;
                                list->buffer[9].address = 0;