On 05.05.22 17:12, Mauro S. wrote: > Signed-off-by: Mauro Salvini <mau.sa...@tin.it> > --- > utils/net/rtnet.in | 76 +++++++++++++++++++++++----------------------- > 1 file changed, 38 insertions(+), 38 deletions(-) > > diff --git a/utils/net/rtnet.in b/utils/net/rtnet.in > index f81a7bb0a..9f136b804 100644 > --- a/utils/net/rtnet.in > +++ b/utils/net/rtnet.in > @@ -9,7 +9,7 @@ RTNETCFG="@sysconfdir@/rtnet.conf" > > debug_func() { > echo "$*" > - eval $* > + eval "$@" > } > > usage() { > @@ -33,35 +33,35 @@ EOF > init_rtnet() { > modprobe rtnet >/dev/null || exit 1 > modprobe rtipv4 >/dev/null || exit 1 > - modprobe $RT_DRIVER $RT_DRIVER_OPTIONS >/dev/null || exit 1 > + modprobe "$RT_DRIVER" "$RT_DRIVER_OPTIONS" >/dev/null || exit 1 > > for dev in $REBIND_RT_NICS; do > - if [ -d /sys/bus/pci/devices/$dev/driver ]; then > - echo $dev > /sys/bus/pci/devices/$dev/driver/unbind > + if [ -d /sys/bus/pci/devices/"$dev"/driver ]; then > + echo "$dev" > /sys/bus/pci/devices/"$dev"/driver/unbind > fi > - echo $dev > /sys/bus/pci/drivers/$RT_DRIVER/bind > + echo "$dev" > /sys/bus/pci/drivers/"$RT_DRIVER"/bind > done > > for PROTOCOL in $RT_PROTOCOLS; do > - modprobe rt$PROTOCOL >/dev/null || exit 1 > + modprobe rt"$PROTOCOL" >/dev/null || exit 1 > done > > - if [ $RT_LOOPBACK = "yes" ]; then > + if [ "$RT_LOOPBACK" = "yes" ]; then > modprobe rt_loopback >/dev/null || exit 1 > fi > > - if [ $RTCAP = "yes" ]; then > + if [ "$RTCAP" = "yes" ]; then > modprobe rtcap >/dev/null || exit 1 > fi > > - if [ $RT_LOOPBACK = "yes" ]; then > + if [ "$RT_LOOPBACK" = "yes" ]; then > $RTIFCONFIG rtlo up 127.0.0.1 > fi > > - if [ $RTCAP = "yes" ]; then > + if [ "$RTCAP" = "yes" ]; then > ifconfig rteth0 up > ifconfig rteth0-mac up > - if [ $RT_LOOPBACK = "yes" ]; then > + if [ "$RT_LOOPBACK" = "yes" ]; then > ifconfig rtlo up > fi > fi > @@ -74,9 +74,9 @@ init_rtnet() { > submit_cfg() { > case "$STATION_TYPE" in > master) > - $RTIFCONFIG rteth0 up $STATION_IP > + $RTIFCONFIG rteth0 up "$STATION_IP" > > - $TDMACFG rteth0 master $TDMA_CYCLE > + $TDMACFG rteth0 master "$TDMA_CYCLE" > eval "$TDMA_SLOTS" > > IPADDR=$STATION_IP > @@ -96,7 +96,7 @@ submit_cfg() { > ADD_STAGE1_CMDS="ifconfig vnic0 up $STATION_IP" > > echo "$TDMA_SLOTS$ADD_STAGE1_CMDS" | \ > - $RTCFG rteth0 add $RTCFG_CLIENT -stage1 - > + $RTCFG rteth0 add "$RTCFG_CLIENT" -stage1 - > ;; > backup-master) > if [ ! "$STATION_IP" = "" ]; then > @@ -117,7 +117,7 @@ submit_cfg() { > fi > > echo "\$TDMACFG rteth0 detach;\$TDMACFG rteth0 master > $TDMA_CYCLE -b $TDMA_BACKUP_OFFS;$TDMA_SLOTS$ADD_STAGE1_CMDS" | \ > - $RTCFG rteth0 add $RTCFG_CLIENT -stage1 - $STAGE_2_OPT > + $RTCFG rteth0 add "$RTCFG_CLIENT" -stage1 - "$STAGE_2_OPT" > ;; > esac > > @@ -142,16 +142,16 @@ start_master() { > # Sync / Master Slot / + TDMA_OFFSET us / Slave 1 / > # + TDMA_OFFSET us / Slave 2 / + TDMA_OFFSET us / ... / Slave n > > - $RTIFCONFIG rteth0 up $IPADDR $NETMASK_OPT > + $RTIFCONFIG rteth0 up "$IPADDR" $NETMASK_OPT > > - $TDMACFG rteth0 master $TDMA_CYCLE > + $TDMACFG rteth0 master "$TDMA_CYCLE" > $TDMACFG rteth0 slot 0 0 > > OFFSET=$TDMA_OFFSET > for SLAVE in $TDMA_SLAVES; do > echo "\$TDMACFG rteth0 slot 0 $OFFSET;ifconfig vnic0 up > \$IPADDR \$NETMASK_OPT" | \ > - $RTCFG rteth0 add $SLAVE -stage1 - $STAGE_2_OPT > - OFFSET=$(($OFFSET+$TDMA_OFFSET)) > + $RTCFG rteth0 add "$SLAVE" -stage1 - "$STAGE_2_OPT" > + OFFSET=$((OFFSET+TDMA_OFFSET)) > done > else > # Get setup from TDMA_CONFIG file: > @@ -185,12 +185,12 @@ start_master() { > # slot ... > # > > - if [ ! -r $TDMA_CONFIG ]; then > + if [ ! -r "$TDMA_CONFIG" ]; then > echo "Could not read $TDMA_CONFIG" > exit 1 > fi > > - while read ARG1 ARG2 ARG3 ARG4 ARG5 ARG6; do > + while read -r ARG1 ARG2 ARG3 ARG4 ARG5 ARG6; do > case "$ARG1" in > "master:") > submit_cfg > @@ -217,7 +217,7 @@ start_master() { > STATION_MAC="$ARG2" > ;; > "stage2") > - STATION_STAGE_2="$ARG2" > + STATION_STAGE_2_SRC="$ARG2" > ;; > "slot") > TDMA_SLOTS="$TDMA_SLOTS\$TDMACFG rteth0 slot $ARG2 $ARG3" > @@ -233,13 +233,13 @@ start_master() { > TDMA_SLOTS="$TDMA_SLOTS;" > ;; > esac > - done < $TDMA_CONFIG > + done < "$TDMA_CONFIG" > submit_cfg > fi > > - ifconfig vnic0 up $IPADDR $NETMASK_OPT > + ifconfig vnic0 up "$IPADDR" $NETMASK_OPT > > - echo -n "Waiting for all slaves..." > + echo "Waiting for all slaves..." > $RTCFG rteth0 wait > $RTCFG rteth0 ready > echo
Ah, this one is another function (or more cosmetic) change: "-n" means "no line-break", and therefore that empty "echo" at the end. You should make both the observer and shellcheck happy by using printf "Line without break" instead. Same pattern also below. > @@ -251,8 +251,8 @@ if [ "$1" = "-cf" ]; then > shift 2 > fi > > -if [ -r $RTNETCFG ]; then > - . $RTNETCFG > +if [ -r "$RTNETCFG" ]; then > + . "$RTNETCFG" > else > echo "Could not read $RTNETCFG" > exit 1 > @@ -281,20 +281,20 @@ case "$1" in > start) > init_rtnet > > - if [ $TDMA_MODE = "master" ]; then > + if [ "$TDMA_MODE" = "master" ]; then > start_master > else > $TDMACFG rteth0 slave > > - $RTIFCONFIG rteth0 up $IPADDR $NETMASK_OPT > + $RTIFCONFIG rteth0 up "$IPADDR" "$NETMASK_OPT" > > - echo -n "Stage 1: searching for master..." > - eval "`$RTCFG rteth0 client -c`" > + echo "Stage 1: searching for master..." > + eval "$($RTCFG rteth0 client -c)" > echo > > - echo -n "Stage 2: waiting for other slaves..." > + echo "Stage 2: waiting for other slaves..." > if [ ! "$STAGE_2_DST" = "" ]; then > - $RTCFG rteth0 announce -f $STAGE_2_DST > + $RTCFG rteth0 announce -f "$STAGE_2_DST" > echo > eval "$STAGE_2_CMDS" > else > @@ -302,7 +302,7 @@ case "$1" in > echo > fi > > - echo -n "Stage 3: waiting for common setup completion..." > + echo "Stage 3: waiting for common setup completion..." > $RTCFG rteth0 ready > echo > fi > @@ -317,10 +317,10 @@ case "$1" in > $RTIFCONFIG rteth0 down 2>/dev/null > $RTIFCONFIG rtlo down 2>/dev/null > > - rmmod tdma rtmac rtcfg rtcap rt_loopback $RT_DRIVER rtpacket rtudp > rttcp rtipv4 rtnet 2>/dev/null > + rmmod tdma rtmac rtcfg rtcap rt_loopback "$RT_DRIVER" rtpacket > rtudp rttcp rtipv4 rtnet 2>/dev/null > > for dev in $REBIND_RT_NICS; do > - echo 1 > /sys/bus/pci/devices/$dev/remove > + echo 1 > /sys/bus/pci/devices/"$dev"/remove > done > if [ ! "$REBIND_RT_NICS" = "" ]; then > sleep 1 > @@ -337,7 +337,7 @@ case "$1" in > > capture) > modprobe rtnet >/dev/null || exit 1 > - modprobe $RT_DRIVER $RT_DRIVER_OPTIONS >/dev/null || exit 1 > + modprobe "$RT_DRIVER" "$RT_DRIVER_OPTIONS" >/dev/null || exit 1 > modprobe rtcap >/dev/null || exit 1 > $RTIFCONFIG rteth0 up promisc > ifconfig rteth0 up > @@ -349,7 +349,7 @@ case "$1" in > modprobe rtipv4 >/dev/null || exit 1 > > for PROTOCOL in $RT_PROTOCOLS; do > - modprobe rt$PROTOCOL >/dev/null || exit 1 > + modprobe rt"$PROTOCOL" >/dev/null || exit 1 > done > > modprobe rt_loopback >/dev/null || exit 1 With that and if you also tested the result, we should be fine then. Jan -- Siemens AG, Technology Competence Center Embedded Linux