exit 1
fi
-# Ensure we start with a clean slate
-for tap in `$IFCONFIG link | grep tap | awk '{ print \$2 }' | sed s/://`; do
- echo "Note: Destroying pre-existing tap interface $tap..."
- $TUNCTL -d $tap
-done
-
-echo "Creating $COUNT tap devices for UID: $TUID GID: $GID..."
-for ((index=0; index < $COUNT; index++)); do
- echo "Creating tap$index"
- ifup=`$RUNQEMU_IFUP $TUID $GID $SYSROOT 2>&1`
- if [ $? -ne 0 ]; then
- echo "Error running tunctl: $ifup"
- exit 1
- fi
-done
+if [ $COUNT -ge 0 ]; then
+ # Ensure we start with a clean slate
+ for tap in `$IFCONFIG link | grep tap | awk '{ print \$2 }' | sed s/://`; do
+ echo "Note: Destroying pre-existing tap interface $tap..."
+ $TUNCTL -d $tap
+ done
+ rm -f /etc/runqemu-nosudo
+else
+ echo "Error: Incorrect count: $COUNT"
+ exit 1
+fi
if [ $COUNT -gt 0 ]; then
+ echo "Creating $COUNT tap devices for UID: $TUID GID: $GID..."
+ for ((index=0; index < $COUNT; index++)); do
+ echo "Creating tap$index"
+ ifup=`$RUNQEMU_IFUP $TUID $GID $SYSROOT 2>&1`
+ if [ $? -ne 0 ]; then
+ echo "Error running tunctl: $ifup"
+ exit 1
+ fi
+ done
+
echo "Note: For systems running NetworkManager, it's recommended"
echo "Note: that the tap devices be set as unmanaged in the"
echo "Note: NetworkManager.conf file. Add the following lines to"
echo "Note: /etc/NetworkManager/NetworkManager.conf"
echo "[keyfile]"
echo "unmanaged-devices=interface-name:tap*"
-fi
-# The runqemu script will check for this file, and if it exists,
-# will use the existing bank of tap devices without creating
-# additional ones via sudo.
-touch /etc/runqemu-nosudo
+ # The runqemu script will check for this file, and if it exists,
+ # will use the existing bank of tap devices without creating
+ # additional ones via sudo.
+ touch /etc/runqemu-nosudo
+fi
