prism54: set carrier flags correctly

> prism54 should set the carrier flags correctly when it thinks the
> link can be used.

Agreed, so sure, this is OK but I rather we turn the carrier on
or off *before* sending an event, like this.
Signed-off-by: Roy Marples <uberlord@gentoo.org>
Signed-off-by: Luis R. Rodriguez <mcgrof@winlab.rutgers.edu>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/prism54/isl_ioctl.c

@@ -2081,6 +2081,7 @@ link_changed(struct net_device *ndev, u32 bitrate)
 	islpci_private *priv = netdev_priv(ndev);
 
 	if (bitrate) {
+		netif_carrier_on(ndev);
 		if (priv->iw_mode == IW_MODE_INFRA) {
 			union iwreq_data uwrq;
 			prism54_get_wap(ndev, NULL, (struct sockaddr *) &uwrq,
@@ -2089,8 +2090,10 @@ link_changed(struct net_device *ndev, u32 bitrate)
 		} else
 			send_simple_event(netdev_priv(ndev),
 					  "Link established");
-	} else
+	} else {
+		netif_carrier_off(ndev);
 		send_simple_event(netdev_priv(ndev), "Link lost");
+	}
 }
 
 /* Beacon/ProbeResp payload header */

drivers/net/wireless/prism54/islpci_dev.c

@@ -387,7 +387,9 @@ islpci_open(struct net_device *ndev)
 	}
 
 	netif_start_queue(ndev);
-/*      netif_mark_up( ndev ); */
+
+	/* Turn off carrier unless we know we have associated */
+	netif_carrier_off(ndev);
 
 	return 0;
 }