--- ietd-init.d.orig	2007-10-30 00:35:06.726628685 +0100
+++ ietd-init.d	2007-10-30 00:35:29.347485956 +0100
@@ -32,20 +32,24 @@
 }
 
 check_memsize() {
-	for sysctl_key in net.core.{w,r}mem_{max,default}; do
-		v="$(sysctl -n ${sysctl_key})"
-		if [ "${v}" -lt "${MEM_SIZE}" ]; then
-			ewarn "$sysctl_key is lower than recommended ${MEM_SIZE}"
-		fi
+	local wr md sysctl_key v k
+	for wr in r w; do
+		for md in max default; do
+			sysctl_key="net.core.${wr}mem_${md}"
+			v="$(sysctl -n ${sysctl_key})"
+			if [ "${v}" -lt "${MEM_SIZE}" ]; then
+				ewarn "$sysctl_key ($v) is lower than recommended ${MEM_SIZE}"
+			fi
+		done
 	done
-	for sysctl_key in net.ipv4.tcp_{,r,w}mem ; do
-		v="$(sysctl -n ${sysctl_key} | xargs)"
-		v1="${v/ *}" v2="${v#* }" v3="${v2/* }" v2="${v2/ *}"
-		min="${v1}" default="${v2}" max="${v3}"
+	for wr in "" r w; do
+		sysctl_key="net.ipv4.tcp_${wr}mem"
+		set -- $(sysctl -n ${sysctl_key})
 		for k in min default max ; do
-			if [ "${!k}" -lt "${MEM_SIZE}" ]; then
-				ewarn "$sysctl_key:$k is lower than recommended ${MEM_SIZE}"
+			if [ "${1}" -lt "${MEM_SIZE}" ]; then
+				ewarn "$sysctl_key:$k (${1}) is lower than recommended ${MEM_SIZE}"
 			fi
+			shift
 		done
 	done
 }
@@ -79,7 +83,7 @@
     # ugly, but ietadm does not allways provides correct exit values
 	RETURN="$(ietadm --op delete 2>&1)"
 	RETVAL=$?
-	if [ $RETVAL == "0" ] && [[ $RETURN != "something wrong" ]]; then
+	if [ $RETVAL -eq 0 ] && [ "$RETURN" != "something wrong" ]; then
 		eend 0
 	else
 		eend 1