[PATCH] ibmveth: hypervisor return value fix

This patch checks for the LongBusy return code from the hypervisor, and 
retries the operation (which is what the hypervisor expects the driver
to do). Please apply.
Signed-off-by: Santiago Leon <santil@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/net/ibmveth.c

@@ -530,7 +530,7 @@ static int ibmveth_open(struct net_device *netdev)
 		ibmveth_error_printk("unable to request irq 0x%x, rc %d\n", netdev->irq, rc);
 		do {
 			rc = h_free_logical_lan(adapter->vdev->unit_address);
-		} while H_isLongBusy(rc);
+		} while (H_isLongBusy(rc) || (rc == H_Busy));
 
 		ibmveth_cleanup(adapter);
 		return rc;
@@ -562,7 +562,7 @@ static int ibmveth_close(struct net_device *netdev)
 
 	do {
 		lpar_rc = h_free_logical_lan(adapter->vdev->unit_address);
-	} while H_isLongBusy(lpar_rc);
+	} while (H_isLongBusy(lpar_rc) || (lpar_rc == H_Busy));
 
 	if(lpar_rc != H_Success)
 	{