--- eclass/linux-mod.eclass.orig	2005-02-06 21:22:11.000000000 +0100
+++ eclass/linux-mod.eclass	2005-02-06 21:27:39.000000000 +0100
@@ -134,8 +134,8 @@
 }
 
 update_modules() {
-	if [ -x /sbin/modules-update -a \
-		 -n "$(grep -v -e "^#" -e "^$" ${D}/etc/modules.d/*)" ] ; then
+	if [ -x /sbin/modules-update ] && \
+		grep -v -e "^#" -e "^$" ${D}/etc/modules.d/* >/dev/null 2>&1; then
 		ebegin "Updating modules.conf"
 		/sbin/modules-update
 		eend $?