Index: head/release/amd64/make-memstick.sh
===================================================================
--- head/release/amd64/make-memstick.sh
+++ head/release/amd64/make-memstick.sh
@@ -10,6 +10,8 @@
 # $FreeBSD$
 #
 
+set -e
+
 PATH=/bin:/usr/bin:/sbin:/usr/sbin
 export PATH
 
@@ -31,10 +33,6 @@
 echo '/dev/ufs/FreeBSD_Install / ufs ro,noatime 1 1' > ${1}/etc/fstab
 echo 'root_rw_mount="NO"' > ${1}/etc/rc.conf.local
 makefs -B little -o label=FreeBSD_Install ${2}.part ${1}
-if [ $? -ne 0 ]; then
-	echo "makefs failed"
-	exit 1
-fi
 rm ${1}/etc/fstab
 rm ${1}/etc/rc.conf.local
 
Index: head/release/i386/make-memstick.sh
===================================================================
--- head/release/i386/make-memstick.sh
+++ head/release/i386/make-memstick.sh
@@ -10,6 +10,8 @@
 # $FreeBSD$
 #
 
+set -e
+
 PATH=/bin:/usr/bin:/sbin:/usr/sbin
 export PATH
 
@@ -31,10 +33,6 @@
 echo '/dev/ufs/FreeBSD_Install / ufs ro,noatime 1 1' > ${1}/etc/fstab
 echo 'root_rw_mount="NO"' > ${1}/etc/rc.conf.local
 makefs -B little -o label=FreeBSD_Install ${2}.part ${1}
-if [ $? -ne 0 ]; then
-	echo "makefs failed"
-	exit 1
-fi
 rm ${1}/etc/fstab
 rm ${1}/etc/rc.conf.local
 
Index: head/release/powerpc/make-memstick.sh
===================================================================
--- head/release/powerpc/make-memstick.sh
+++ head/release/powerpc/make-memstick.sh
@@ -10,6 +10,8 @@
 # $FreeBSD$
 #
 
+set -e
+
 PATH=/bin:/usr/bin:/sbin:/usr/sbin
 export PATH
 
@@ -36,10 +38,6 @@
 echo 'root_rw_mount="NO"' > ${1}/etc/rc.conf.local
 rm -f ${tempfile}
 makefs -B big ${tempfile} ${1}
-if [ $? -ne 0 ]; then
-  echo "makefs failed"
-  exit 1
-fi
 rm ${1}/etc/fstab
 rm ${1}/etc/rc.conf.local