diff -r 3f90ae16e997 -r d6d49dcaf7a5 devices/e1000/e1000_main-2.6.29-ethercat.c
--- a/devices/e1000/e1000_main-2.6.29-ethercat.c	Wed Nov 23 15:07:42 2011 +0100
+++ b/devices/e1000/e1000_main-2.6.29-ethercat.c	Wed Nov 23 15:11:07 2011 +0100
@@ -3766,7 +3766,7 @@
  		int i, ec_work_done = 0;
  		for (i = 0; i < E1000_MAX_INTR; i++) {
  			if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring,
-                             &ec_work_done, 100) &
+                             &ec_work_done, 100) &&
  						!e1000_clean_tx_irq(adapter, adapter->tx_ring))) {
  				break;
  			}
@@ -3850,7 +3850,7 @@
 		int i, ec_work_done = 0;
 		for (i = 0; i < E1000_MAX_INTR; i++) {
 			if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring,
-							&ec_work_done, 100) &
+							&ec_work_done, 100) &&
 						!e1000_clean_tx_irq(adapter, adapter->tx_ring))) {
 				break;
 			}