[PATCH] hamachi DMA

Let's get this thing not using bus_to_virt() anymore,
as follows.
Signed-off-by: David S. Miller <davem@redhat.com>

===== drivers/net/hamachi.c 1.35 vs edited =====

drivers/net/hamachi.c

@@ -207,10 +207,8 @@ KERN_INFO "   Further modifications by Keith Underwood <keithu@parl.clemson.edu>
 /* Condensed bus+endian portability operations. */
 #if ADDRLEN == 64
 #define cpu_to_leXX(addr)	cpu_to_le64(addr)
-#define desc_to_virt(addr) bus_to_virt(le64_to_cpu(addr))
 #else 
 #define cpu_to_leXX(addr)	cpu_to_le32(addr)
-#define desc_to_virt(addr) bus_to_virt(le32_to_cpu(addr))
 #endif   
 
 
@@ -1502,7 +1500,7 @@ static int hamachi_rx(struct net_device *dev)
 					    desc->addr,
 					    hmp->rx_buf_sz,
 					    PCI_DMA_FROMDEVICE);
-		buf_addr = desc_to_virt(desc->addr);
+		buf_addr = (u8 *) hmp->rx_skbuff[entry]->tail;
 		frame_status = le32_to_cpu(get_unaligned((s32*)&(buf_addr[data_size - 12])));
 		if (hamachi_debug > 4)
 			printk(KERN_DEBUG "  hamachi_rx() status was %8.8x.\n",