via-velocity: use memmove

Use memmove to handle overlapping copy of data.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index 3e94c8f..bcbf2fa 100644 (file)
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -1527,12 +1527,8 @@ static int velocity_rx_copy(struct sk_buff **rx_skb, int pkt_size,
 static inline void velocity_iph_realign(struct velocity_info *vptr,
                                        struct sk_buff *skb, int pkt_size)
 {
-       /* FIXME - memmove ? */
        if (vptr->flags & VELOCITY_FLAGS_IP_ALIGN) {
-               int i;
-
-               for (i = pkt_size; i >= 0; i--)
-                       *(skb->data + i + 2) = *(skb->data + i);
+               memmove(skb->data + 2, skb->data, pkt_size);
                skb_reserve(skb, 2);
        }
 }