From d8ae494fed6d53d161778a2b6caff245cf29d5a3 Mon Sep 17 00:00:00 2001
From: Stephen Hemminger <shemminger@osdl.org>
Date: Tue, 17 Jan 2006 13:43:16 -0800
Subject: [PATCH] --- yaml --- r: 18833 b: refs/heads/master c:
 a036119f977eeeae2089ddf5b4759de9ca5fbdb6 h: refs/heads/master i:   18831:
 48ff07643959b478069bb780f503c017184db9f3 v: v3

---
 [refs]                   | 2 +-
 trunk/drivers/net/sky2.c | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/[refs] b/[refs]
index 451e7453248b..1567f942697a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: dc4d5ea2218b80eb8cd323082f09c506ba75fb6f
+refs/heads/master: a036119f977eeeae2089ddf5b4759de9ca5fbdb6
diff --git a/trunk/drivers/net/sky2.c b/trunk/drivers/net/sky2.c
index 3c5d00403e5e..92ea915c1d4b 100644
--- a/trunk/drivers/net/sky2.c
+++ b/trunk/drivers/net/sky2.c
@@ -745,7 +745,7 @@ static inline struct sky2_rx_le *sky2_next_rx(struct sky2_port *sky2)
 /* Return high part of DMA address (could be 32 or 64 bit) */
 static inline u32 high32(dma_addr_t a)
 {
-	return (a >> 16) >> 16;
+	return sizeof(a) > sizeof(u32) ? (a >> 16) >> 16 : 0;
 }
 
 /* Build description to hardware about buffer */
@@ -1225,7 +1225,7 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
 
 		mapping = pci_map_page(hw->pdev, frag->page, frag->page_offset,
 				       frag->size, PCI_DMA_TODEVICE);
-		addr64 = (mapping >> 16) >> 16;
+		addr64 = high32(mapping);
 		if (addr64 != sky2->tx_addr64) {
 			le = get_tx_le(sky2);
 			le->tx.addr = cpu_to_le32(addr64);