[PATCH] 8139cp: fix eeprom read command length

The read command for the 93C46/93C56 EEPROMS should be 3 bits plus
the address.  This doesn't appear to affect the operation of the
read command, but similar errors for write commands do cause failures.
Signed-off-by: NPhilip Craig <philipc@snapgear.com>
Signed-off-by: NJeff Garzik <jeff@garzik.org>

drivers/net/8139cp.c

@@ -1628,7 +1628,7 @@ static int read_eeprom (void __iomem *ioaddr, int location, int addr_len)
 	eeprom_delay ();
 
 	/* Shift the read command bits out. */
-	for (i = 4 + addr_len; i >= 0; i--) {
+	for (i = 3 + addr_len - 1; i >= 0; i--) {
 		int dataval = (read_cmd & (1 << i)) ? EE_DATA_WRITE : 0;
 		writeb (EE_ENB | dataval, ee_addr);
 		eeprom_delay ();