m68k: kill skb_copy_from_linear_data compiler warnings

The recent conversion from `memcpy' to `skb_copy_from_linear_data' removed a
few casts, which were needed to silence compiler warnings. Re-add them.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/net/7990.c

@@ -565,9 +565,9 @@ int lance_start_xmit (struct sk_buff *skb, struct net_device *dev)
         ib->btx_ring [entry].length = (-len) | 0xf000;
         ib->btx_ring [entry].misc = 0;
 
-    	if (skb->len < ETH_ZLEN)
-    		memset((char *)&ib->tx_buf[entry][0], 0, ETH_ZLEN);
-        skb_copy_from_linear_data(skb, &ib->tx_buf[entry][0], skblen);
+	if (skb->len < ETH_ZLEN)
+		memset((void *)&ib->tx_buf[entry][0], 0, ETH_ZLEN);
+        skb_copy_from_linear_data(skb, (void *)&ib->tx_buf[entry][0], skblen);
 
         /* Now, give the packet to the lance */
         ib->btx_ring [entry].tmd1_bits = (LE_T1_POK|LE_T1_OWN);

drivers/net/a2065.c

@@ -597,11 +597,11 @@ static int lance_start_xmit (struct sk_buff *skb, struct net_device *dev)
 	ib->btx_ring [entry].length = (-len) | 0xf000;
 	ib->btx_ring [entry].misc = 0;
 
-	skb_copy_from_linear_data(skb, &ib->tx_buf [entry][0], skblen);
+	skb_copy_from_linear_data(skb, (void *)&ib->tx_buf [entry][0], skblen);
 
 	/* Clear the slack of the packet, do I need this? */
 	if (len != skblen)
-		memset ((char *) &ib->tx_buf [entry][skblen], 0, len - skblen);
+		memset ((void *) &ib->tx_buf [entry][skblen], 0, len - skblen);
 
 	/* Now, give the packet to the lance */
 	ib->btx_ring [entry].tmd1_bits = (LE_T1_POK|LE_T1_OWN);

drivers/net/sun3_82586.c

@@ -1023,10 +1023,11 @@ static int sun3_82586_send_packet(struct sk_buff *skb, struct net_device *dev)
 	{
 		len = skb->len;
 		if (len < ETH_ZLEN) {
-			memset((char *)p->xmit_cbuffs[p->xmit_count], 0, ETH_ZLEN);
+			memset((void *)p->xmit_cbuffs[p->xmit_count], 0,
+			       ETH_ZLEN);
 			len = ETH_ZLEN;
 		}
-		skb_copy_from_linear_data(skb, p->xmit_cbuffs[p->xmit_count], skb->len);
+		skb_copy_from_linear_data(skb, (void *)p->xmit_cbuffs[p->xmit_count], skb->len);
 
 #if (NUM_XMIT_BUFFS == 1)
 #	ifdef NO_NOPCOMMANDS