cnic: Fix bogus iSCSI MAC address

Fix code to read the proper iSCSI MAC address for bnx2x devices.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: Benjamin Li <benli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/cnic.c

@@ -3997,15 +3997,19 @@ static void cnic_get_bnx2x_iscsi_info(struct cnic_dev *dev)
 	if (base < 0xa0000 || base >= 0xc0000)
 		return;
 
-	val = BNX2X_SHMEM_ADDR(base,
+	addr = BNX2X_SHMEM_ADDR(base,
 		dev_info.port_hw_config[port].iscsi_mac_upper);
 
+	val = CNIC_RD(dev, addr);
+
 	dev->mac_addr[0] = (u8) (val >> 8);
 	dev->mac_addr[1] = (u8) val;
 
-	val = BNX2X_SHMEM_ADDR(base,
+	addr = BNX2X_SHMEM_ADDR(base,
 		dev_info.port_hw_config[port].iscsi_mac_lower);
 
+	val = CNIC_RD(dev, addr);
+
 	dev->mac_addr[2] = (u8) (val >> 24);
 	dev->mac_addr[3] = (u8) (val >> 16);
 	dev->mac_addr[4] = (u8) (val >> 8);