This bug repaires a serious bug. Without the patch cards will never be
detected.
================

diff -urN linux-2.6.16.41.orig/drivers/net/ewrk3.c linux-2.6.16.41/drivers/net/ewrk3.c
--- linux-2.6.16.41.orig/drivers/net/ewrk3.c	2007-02-17 18:23:40.000000000 +0100
+++ linux-2.6.16.41/drivers/net/ewrk3.c	2007-03-14 18:10:46.315560345 +0100
@@ -414,7 +414,7 @@
 	icr &= 0x70;
 	outb(icr, EWRK3_ICR);	/* Disable all the IRQs */
 
-	if (nicsr == (CSR_TXD | CSR_RXD))
+	if (nicsr != (CSR_TXD | CSR_RXD))
 		return -ENXIO;