tlan: Fix pci memory unmapping

Fix pci unmapping problem introduced by commit id
8953f1282793882a5444924f7a273dc72a43d0a3 "tlan: Fix small (< 64 bytes)
datagram transmissions".

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 9 insertions, 4 deletions

diff --git a/drivers/net/tlan.c b/drivers/net/tlan.c
index cf8cdafda5af..e60498232b94 100644
--- a/drivers/net/tlan.c
+++ b/drivers/net/tlan.c
@@ -1433,7 +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;
@@ -2057,9 +2059,12 @@ 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;