1 files changed, 7 insertions, 8 deletions

diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index 9c224eba057d..ea638b162d3f 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -42,6 +42,7 @@
 #include <linux/errno.h>
 #include <linux/ioport.h>
 #include <linux/pci.h>
+#include <linux/dma-mapping.h>
 #include <linux/kernel.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
@@ -1698,11 +1699,9 @@ static int fill_rx_buffers(struct s2io_nic *nic, int ring_no)
 #else
                 ba = &nic->ba[ring_no][block_no][off];
                 skb_reserve(skb, BUF0_LEN);
-                tmp = (unsigned long) skb->data;
-                tmp += ALIGN_SIZE;
-                tmp &= ~ALIGN_SIZE;
-                skb->data = (void *) tmp;
-                skb->tail = (void *) tmp;
+                tmp = ((unsigned long) skb->data & ALIGN_SIZE);
+                if (tmp)
+                        skb_reserve(skb, (ALIGN_SIZE + 1) - tmp);
 
                 memset(rxdp, 0, sizeof(RxD_t));
                 rxdp->Buffer2_ptr = pci_map_single
@@ -4593,19 +4592,19 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre)
                 return ret;
         }
 
-        if (!pci_set_dma_mask(pdev, 0xffffffffffffffffULL)) {
+        if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
                 DBG_PRINT(INIT_DBG, "s2io_init_nic: Using 64bit DMA\n");
                 dma_flag = TRUE;
 
                 if (pci_set_consistent_dma_mask
-                    (pdev, 0xffffffffffffffffULL)) {
+                    (pdev, DMA_64BIT_MASK)) {
                         DBG_PRINT(ERR_DBG,
                                   "Unable to obtain 64bit DMA for \
                                         consistent allocations\n");
                         pci_disable_device(pdev);
                         return -ENOMEM;
                 }
-        } else if (!pci_set_dma_mask(pdev, 0xffffffffUL)) {
+        } else if (!pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
                 DBG_PRINT(INIT_DBG, "s2io_init_nic: Using 32bit DMA\n");
         } else {
                 pci_disable_device(pdev);