2 files changed, 7 insertions, 23 deletions

diff --git a/usr.sbin/pc-sysinstall/backend-query/disk-info.sh b/usr.sbin/pc-sysinstall/backend-query/disk-info.sh
index 222e8c5423cd..8c55fce7142e 100755
--- a/usr.sbin/pc-sysinstall/backend-query/disk-info.sh
+++ b/usr.sbin/pc-sysinstall/backend-query/disk-info.sh
@@ -26,25 +26,16 @@
 # $FreeBSD$
 
 # Query a disk for partitions and display them
-#############################
+#############################################################################
 
-. ${PROGDIR}/backend/functions.sh
 . ${PROGDIR}/backend/functions-disk.sh
 
-if [ -z "${1}" ]
-then
-  echo "Error: No disk specified!"
-  exit 1
-fi
-
-if [ ! -e "/dev/${1}" ]
-then
-  echo "Error: Disk /dev/${1} does not exist!"
-  exit 1
-fi
-
 DISK="${1}"
 
+[ -z "${DISK}" ] && { echo 'Error: No disk specified!'; exit 1; }
+[ ! -e "/dev/${DISK}" ] && \
+	{ echo "Error: Disk /dev/${DISK} does not exist!"; exit 1; }
+
 get_disk_cyl "${DISK}"
 CYLS="${VAL}"
 
diff --git a/usr.sbin/pc-sysinstall/backend-query/test-live.sh b/usr.sbin/pc-sysinstall/backend-query/test-live.sh
index b48c2eecf3af..86acc30705cf 100755
--- a/usr.sbin/pc-sysinstall/backend-query/test-live.sh
+++ b/usr.sbin/pc-sysinstall/backend-query/test-live.sh
@@ -28,13 +28,6 @@
 # Script which checks if we are running from install media, or real system
 #############################################################################
 
-dmesg | grep "md0: Preloaded image" >/dev/null 2>/dev/null
-if [ "$?" = "0" ]
-then
-  echo "INSTALL-MEDIA"
-  exit 0
-else
-  echo "REAL-DISK"
-  exit 1
-fi
+dmesg | grep -q 'md0: Preloaded image' || { echo 'REAL-DISK'; exit 1; }
 
+echo 'INSTALL-MEDIA'