Index: ipk/source.sh4/swapemus_oscam_5866/CONTROL/postinst
===================================================================
--- ipk/source.sh4/swapemus_oscam_5866/CONTROL/postinst	(revision 11789)
+++ ipk/source.sh4/swapemus_oscam_5866/CONTROL/postinst	(revision 12781)
@@ -79,6 +79,12 @@
 
 echo "successfully installed"
-echo "syncing disk"
-
-sync
+link=`readlink /var/swap`
+if [ `df | grep /dev/mtdblock | grep mnt | sed 's/ \+/ /g' | cut -d ' ' -f4 | head -n1 | wc -l` -eq 1 ] && [ $link = "/mnt/swapextensions" ]; then
+	SPACE=`df | grep /dev/mtdblock | grep mnt | sed 's/ \+/ /g' | cut -d ' ' -f4 | head -n1`
+	FREE=`expr $SPACE - 100`
+	echo new freespace size $FREE kb
+else
+	echo "syncing disk"
+	sync
+fi
 exit 0
Index: ipk/source.sh4/swapemus_oscam_5866/CONTROL/postrm
===================================================================
--- ipk/source.sh4/swapemus_oscam_5866/CONTROL/postrm	(revision 11789)
+++ ipk/source.sh4/swapemus_oscam_5866/CONTROL/postrm	(revision 12781)
@@ -5,5 +5,12 @@
 
 echo "successfully removed"
-echo "syncing disk"
-sync
+link=`readlink /var/swap`
+if [ `df | grep /dev/mtdblock | grep mnt | sed 's/ \+/ /g' | cut -d ' ' -f4 | head -n1 | wc -l` -eq 1 ] && [ $link = "/mnt/swapextensions" ]; then
+	SPACE=`df | grep /dev/mtdblock | grep mnt | sed 's/ \+/ /g' | cut -d ' ' -f4 | head -n1`
+	FREE=`expr $SPACE - 100`
+	echo new freespace size $FREE kb
+else
+	echo "syncing disk"
+	sync
+fi
 exit 0
Index: ipk/source.sh4/swapemus_oscam_5866/CONTROL/preinst
===================================================================
--- ipk/source.sh4/swapemus_oscam_5866/CONTROL/preinst	(revision 11789)
+++ ipk/source.sh4/swapemus_oscam_5866/CONTROL/preinst	(revision 12781)
@@ -2,6 +2,4 @@
 #
 TMP=/tmp/.oscam
-echo "syncing disk"
-sync
 
 model=`cat /etc/model`
@@ -27,4 +25,22 @@
 echo "swapstick found...."
 echo "installing Oscam RC1.10 Build 5866 to swapstick..."
+link=`readlink /var/swap`
+if [ `df | grep /dev/mtdblock | grep mnt | sed 's/ \+/ /g' | cut -d ' ' -f4 | head -n1 | wc -l` -eq 1 ] && [ $link = "/mnt/swapextensions" ]; then
+	SPACE=`df | grep /dev/mtdblock | grep mnt | sed 's/ \+/ /g' | cut -d ' ' -f4 | head -n1`
+	FREE=`expr $SPACE - 100`
+	SIZE=880
+	echo "checking freespace"
+	echo packege size $SIZE kb
+	echo freespace size $FREE kb
+	if  [ "$FREE" -lt "$SIZE" ]; then
+		echo "sorry no freespace left on device"
+		exit 1
+	else
+		echo ok		
+	fi
+else
+	echo "syncing disk"
+	sync
+fi
 
 buildgroup=`cat /etc/.buildgroup`
@@ -39,5 +55,3 @@
 fi
 
-sync
-
 exit 0
Index: ipk/source.sh4/swapemus_oscam_5866/CONTROL/prerm
===================================================================
--- ipk/source.sh4/swapemus_oscam_5866/CONTROL/prerm	(revision 11789)
+++ ipk/source.sh4/swapemus_oscam_5866/CONTROL/prerm	(revision 12781)
@@ -1,5 +1,4 @@
 #!/bin/sh
 TMP=/tmp/.oscam
-echo "syncing disk"
 
 if [ ! -e /var/swap/keys/oscam.conf.oscam ]; then
@@ -43,5 +42,13 @@
 fi
 
-sync
+link=`readlink /var/swap`
+if [ `df | grep /dev/mtdblock | grep mnt | sed 's/ \+/ /g' | cut -d ' ' -f4 | head -n1 | wc -l` -eq 1 ] && [ $link = "/mnt/swapextensions" ]; then
+	SPACE=`df | grep /dev/mtdblock | grep mnt | sed 's/ \+/ /g' | cut -d ' ' -f4 | head -n1`
+	FREE=`expr $SPACE - 100`
+	echo new freespace size $FREE kb
+else
+	echo "syncing disk"
+	sync
+fi
 echo "Removing Oscam RC1.10 Build 5866 from Swapstick"
 exit 0