network drivers: sparse warning fixes

Fix some of the easy warnings in network device drivers.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/net/hamachi.c b/drivers/net/hamachi.c
index 015ed3a4057f..ed407c85708f 100644
--- a/drivers/net/hamachi.c
+++ b/drivers/net/hamachi.c
@@ -1017,7 +1017,7 @@ static inline int hamachi_tx(struct net_device *dev)
                         break;
                 /* Free the original skb. */
                 skb = hmp->tx_skbuff[entry];
-                if (skb != 0) {
+                if (skb) {
                         pci_unmap_single(hmp->pci_dev,
                                 hmp->tx_ring[entry].addr, skb->len,
                                 PCI_DMA_TODEVICE);
@@ -1069,7 +1069,6 @@ static void hamachi_tx_timeout(struct net_device *dev)
                    " resetting...\n", dev->name, (int)readw(ioaddr + TxStatus));
 
         {
-                int i;
                 printk(KERN_DEBUG "  Rx ring %p: ", hmp->rx_ring);
                 for (i = 0; i < RX_RING_SIZE; i++)
                         printk(" %8.8x", (unsigned int)hmp->rx_ring[i].status_n_length);