From 6017ea9ac6cf6e72ffb2d034f851a41dba7e8664 Mon Sep 17 00:00:00 2001
From: Ing <wjz304@qq.com>
Date: Thu, 7 Mar 2024 04:32:12 +0800
Subject: [PATCH] add 2>/dev/null

---
 files/initrd/opt/rr/boot.sh               |  20 ++--
 files/initrd/opt/rr/include/addons.sh     |   2 +-
 files/initrd/opt/rr/include/functions.sh  |  18 ++--
 files/initrd/opt/rr/include/modules.sh    |   4 +-
 files/initrd/opt/rr/init.sh               |  14 +--
 files/initrd/opt/rr/menu.sh               | 108 +++++++++++-----------
 files/initrd/opt/rr/ramdisk-patch.sh      |   4 +-
 files/initrd/opt/rr/vmlinux-to-bzImage.sh |   4 +-
 files/initrd/opt/rr/zimage-patch.sh       |   2 +-
 scripts/func.sh                           |   4 +-
 10 files changed, 90 insertions(+), 90 deletions(-)

diff --git a/files/initrd/opt/rr/boot.sh b/files/initrd/opt/rr/boot.sh
index 654ec421..cbff1a22 100755
--- a/files/initrd/opt/rr/boot.sh
+++ b/files/initrd/opt/rr/boot.sh
@@ -29,7 +29,7 @@ printf "\033[1;33m%*s\033[0m\n" $(((${#TITLE} + ${COLUMNS}) / 2)) "${TITLE}"
 
 # Check if DSM zImage changed, patch it if necessary
 ZIMAGE_HASH="$(readConfigKey "zimage-hash" "${USER_CONFIG_FILE}")"
-if [ -f ${PART1_PATH}/.build -o "$(sha256sum "${ORI_ZIMAGE_FILE}" | awk '{print$1}')" != "${ZIMAGE_HASH}" ]; then
+if [ -f ${PART1_PATH}/.build -o "$(sha256sum "${ORI_ZIMAGE_FILE}" | awk '{print $1}')" != "${ZIMAGE_HASH}" ]; then
   echo -e "\033[1;43m$(TEXT "DSM zImage changed")\033[0m"
   ${WORK_PATH}/zimage-patch.sh
   if [ $? -ne 0 ]; then
@@ -58,9 +58,9 @@ SMALLNUM="$(readConfigKey "smallnum" "${USER_CONFIG_FILE}")"
 KERNEL="$(readConfigKey "kernel" "${USER_CONFIG_FILE}")"
 LKM="$(readConfigKey "lkm" "${USER_CONFIG_FILE}")"
 
-DMI="$(dmesg | grep -i "DMI:" | sed 's/\[.*\] DMI: //i')"
-CPU="$(echo $(cat /proc/cpuinfo | grep 'model name' | uniq | awk -F':' '{print $2}'))"
-MEM="$(free -m | grep -i mem | awk '{print$2}') MB"
+DMI="$(dmesg 2>/dev/null | grep -i "DMI:" | sed 's/\[.*\] DMI: //i')"
+CPU="$(echo $(cat /proc/cpuinfo 2>/dev/null | grep 'model name' | uniq | awk -F':' '{print $2}'))"
+MEM="$(free -m 2>/dev/null | grep -i mem | awk '{print $2}') MB"
 
 echo -e "$(TEXT "Model:   ") \033[1;36m${MODEL}\033[0m"
 echo -e "$(TEXT "Version: ") \033[1;36m${PRODUCTVER}(${BUILDNUM}$([ ${SMALLNUM:-0} -ne 0 ] && echo "u${SMALLNUM}"))\033[0m"
@@ -186,7 +186,7 @@ else
   while [ ${COUNT} -lt $((${BOOTIPWAIT} + 32)) ]; do
     hasConnect="false"
     for N in ${ETHX}; do
-      if ethtool ${N} | grep 'Link detected' | grep -q 'yes'; then
+      if ethtool ${N} 2>/dev/null | grep 'Link detected' | grep -q 'yes'; then
         echo -en "${N} "
         hasConnect="true"
       fi
@@ -205,11 +205,11 @@ else
     DRIVER=$(ls -ld /sys/class/net/${N}/device/driver 2>/dev/null | awk -F '/' '{print $NF}')
     echo -en "${N}(${DRIVER}): "
     while true; do
-      if ! ip link show ${N} | grep -q 'UP'; then
+      if ! ip link show ${N} 2>/dev/null | grep -q 'UP'; then
         echo -en "\r${N}(${DRIVER}): $(TEXT "DOWN")\n"
         break
       fi
-      if ethtool ${N} | grep 'Link detected' | grep -q 'no'; then
+      if ethtool ${N} 2>/dev/null | grep 'Link detected' | grep -q 'no'; then
         echo -en "\r${N}(${DRIVER}): $(TEXT "NOT CONNECTED")\n"
         break
       fi
@@ -229,12 +229,12 @@ else
   done
   BOOTWAIT="$(readConfigKey "bootwait" "${USER_CONFIG_FILE}")"
   [ -z "${BOOTWAIT}" ] && BOOTWAIT=10
-  w | awk '{print $1" "$2" "$4" "$5" "$6}' >WB
+  w 2>/dev/null | awk '{print $1" "$2" "$4" "$5" "$6}' >WB
   MSG=""
   while test ${BOOTWAIT} -ge 0; do
     MSG="$(printf "\033[1;33m$(TEXT "%2ds (Changing access(ssh/web) status will interrupt boot)")\033[0m" "${BOOTWAIT}")"
     echo -en "\r${MSG}"
-    w | awk '{print $1" "$2" "$4" "$5" "$6}' >WC
+    w 2>/dev/null | awk '{print $1" "$2" "$4" "$5" "$6}' >WC
     if ! diff WB WC >/dev/null 2>&1; then
       echo -en "\r\033[1;33m$(TEXT "access(ssh/web) status has changed and booting is interrupted.")\033[0m\n"
       rm -f WB WC
@@ -268,7 +268,7 @@ else
     kexec -l "${MOD_ZIMAGE_FILE}" --initrd "${MOD_RDGZ_FILE}" --command-line="${CMDLINE_LINE}" >"${LOG_FILE}" 2>&1 || dieLog
   fi
   echo -e "\033[1;37m$(TEXT "Booting ...")\033[0m"
-  for T in $(w | grep -v "TTY" | awk -F' ' '{print $2}'); do
+  for T in $(w 2>/dev/null | grep -v "TTY" | awk -F' ' '{print $2}'); do
     echo -e "\n\033[1;43m$(TEXT "[This interface will not be operational. Please wait a few minutes.\nFind DSM via http://find.synology.com/ or Synology Assistant and connect.]")\033[0m\n" >"/dev/${T}" 2>/dev/null || true
   done
 
diff --git a/files/initrd/opt/rr/include/addons.sh b/files/initrd/opt/rr/include/addons.sh
index 36ee8a43..51b44588 100755
--- a/files/initrd/opt/rr/include/addons.sh
+++ b/files/initrd/opt/rr/include/addons.sh
@@ -7,7 +7,7 @@ function availableAddons() {
     echo ""
     return 1
   fi
-  for D in $(find "${ADDONS_PATH}" -maxdepth 1 -type d | sort); do
+  for D in $(find "${ADDONS_PATH}" -maxdepth 1 -type d 2>/dev/null | sort); do
     [ ! -f "${D}/manifest.yml" ] && continue
     ADDON=$(basename ${D})
     checkAddonExist "${ADDON}" "${1}" "${2}" || continue
diff --git a/files/initrd/opt/rr/include/functions.sh b/files/initrd/opt/rr/include/functions.sh
index 2971d34a..a222ad8d 100755
--- a/files/initrd/opt/rr/include/functions.sh
+++ b/files/initrd/opt/rr/include/functions.sh
@@ -214,8 +214,8 @@ function _sort_netif() {
   ETHLIST=""
   ETHX=$(ls /sys/class/net/ 2>/dev/null | grep eth) # real network cards list
   for ETH in ${ETHX}; do
-    MAC="$(cat /sys/class/net/${ETH}/address | sed 's/://g' | tr '[:upper:]' '[:lower:]')"
-    BUS=$(ethtool -i ${ETH} | grep bus-info | awk '{print $2}')
+    MAC="$(cat /sys/class/net/${ETH}/address 2>/dev/null | sed 's/://g' | tr '[:upper:]' '[:lower:]')"
+    BUS=$(ethtool -i ${ETH} 2>/dev/null | grep bus-info | awk '{print $2}')
     ETHLIST="${ETHLIST}${BUS} ${MAC} ${ETH}\n"
   done
 
@@ -295,10 +295,10 @@ function getIP() {
   IP=""
   if [ -n "${1}" -a -d "/sys/class/net/${1}" ]; then
     IP=$(ip route show dev ${1} 2>/dev/null | sed -n 's/.* via .* src \(.*\)  metric .*/\1/p')
-    [ -z "${IP}" ] && IP=$(ip addr show ${1} | grep -E "inet .* eth" | awk '{print $2}' | cut -f1 -d'/' | head -1)
+    [ -z "${IP}" ] && IP=$(ip addr show ${1} 2>/dev/null | grep -E "inet .* eth" | awk '{print $2}' | cut -f1 -d'/' | head -1)
   else
     IP=$(ip route show 2>/dev/null | sed -n 's/.* via .* src \(.*\)  metric .*/\1/p' | head -1)
-    [ -z "${IP}" ] && IP=$(ip addr show | grep -E "inet .* eth" | awk '{print $2}' | cut -f1 -d'/' | head -1)
+    [ -z "${IP}" ] && IP=$(ip addr show 2>/dev/null | grep -E "inet .* eth" | awk '{print $2}' | cut -f1 -d'/' | head -1)
   fi
   echo "${IP}"
 }
@@ -322,12 +322,12 @@ function getLogo() {
 # Find and mount the DSM root filesystem
 # (based on pocopico's TCRP code)
 function findAndMountDSMRoot() {
-  [ $(mount | grep -i "${DSMROOT_PATH}" | wc -l) -gt 0 ] && return 0
-  dsmrootdisk="$(blkid | grep -i linux_raid_member | grep -E "/dev/.*1: " | head -1 | awk -F ":" '{print $1}')"
+  [ $(mount 2>/dev/null | grep -i "${DSMROOT_PATH}" | wc -l) -gt 0 ] && return 0
+  dsmrootdisk="$(blkid 2>/dev/null | grep -i linux_raid_member | grep -E "/dev/.*1: " | head -1 | awk -F ":" '{print $1}')"
   [ -z "${dsmrootdisk}" ] && return -1
   [ ! -d "${DSMROOT_PATH}" ] && mkdir -p "${DSMROOT_PATH}"
-  [ $(mount | grep -i "${DSMROOT_PATH}" | wc -l) -eq 0 ] && mount -t ext4 "${dsmrootdisk}" "${DSMROOT_PATH}"
-  if [ $(mount | grep -i "${DSMROOT_PATH}" | wc -l) -eq 0 ]; then
+  [ $(mount 2>/dev/null | grep -i "${DSMROOT_PATH}" | wc -l) -eq 0 ] && mount -t ext4 "${dsmrootdisk}" "${DSMROOT_PATH}"
+  if [ $(mount 2>/dev/null | grep -i "${DSMROOT_PATH}" | wc -l) -eq 0 ]; then
     echo "Failed to mount"
     return -1
   fi
@@ -339,7 +339,7 @@ function findAndMountDSMRoot() {
 function rebootTo() {
   [ "${1}" != "junior" -a "${1}" != "config" ] && exit 1
   # echo "Rebooting to ${1} mode"
-  GRUBPATH="$(dirname $(find ${PART1_PATH}/ -name grub.cfg | head -1))"
+  GRUBPATH="$(dirname $(find ${PART1_PATH}/ -name grub.cfg 2>/dev/null | head -1))"
   ENVFILE="${GRUBPATH}/grubenv"
   [ ! -f "${ENVFILE}" ] && grub-editenv ${ENVFILE} create
   grub-editenv ${ENVFILE} set next_entry="${1}"
diff --git a/files/initrd/opt/rr/include/modules.sh b/files/initrd/opt/rr/include/modules.sh
index e2755d67..786a7941 100755
--- a/files/initrd/opt/rr/include/modules.sh
+++ b/files/initrd/opt/rr/include/modules.sh
@@ -23,7 +23,7 @@ function getAllModules() {
   for F in $(ls ${TMP_PATH}/modules/*.ko 2>/dev/null); do
     local X=$(basename ${F})
     local M=${X:0:-3}
-    local DESC=$(modinfo ${F} | awk -F':' '/description:/{ print $2}' | awk '{sub(/^[ ]+/,""); print}')
+    local DESC=$(modinfo ${F} 2>/dev/null | awk -F':' '/description:/{ print $2}' | awk '{sub(/^[ ]+/,""); print}')
     [ -z "${DESC}" ] && DESC="${X}"
     echo "${M} \"${DESC}\""
   done
@@ -144,7 +144,7 @@ function delToModules() {
 function getdepends() {
   function _getdepends() {
     if [ -f "${TMP_PATH}/modules/${1}.ko" ]; then
-      depends=($(modinfo "${TMP_PATH}/modules/${1}.ko" | grep depends: | awk -F: '{print $2}' | awk '$1=$1' | sed 's/,/ /g'))
+      depends=($(modinfo "${TMP_PATH}/modules/${1}.ko" 2>/dev/null | grep depends: | awk -F: '{print $2}' | awk '$1=$1' | sed 's/,/ /g'))
       if [ ${#depends[@]} -gt 0 ]; then
         for k in ${depends[@]}; do
           echo "${k}"
diff --git a/files/initrd/opt/rr/init.sh b/files/initrd/opt/rr/init.sh
index bb46919e..dd94d55d 100755
--- a/files/initrd/opt/rr/init.sh
+++ b/files/initrd/opt/rr/init.sh
@@ -65,7 +65,7 @@ initConfigKey "modules" "{}" "${USER_CONFIG_FILE}"
 
 for ETH in ${ETHX}; do
   [ "${ETH::4}" = "wlan" ] && connectwlanif "${ETH}" && sleep 1
-  MACR="$(cat /sys/class/net/${ETH}/address | sed 's/://g')"
+  MACR="$(cat /sys/class/net/${ETH}/address 2>/dev/null | sed 's/://g')"
   IPR="$(readConfigKey "network.${MACR}" "${USER_CONFIG_FILE}")"
   if [ -n "${IPR}" ]; then
     ip addr add ${IPC}/24 dev ${ETH}
@@ -80,8 +80,8 @@ PID="0x0001"
 BUS=$(getBus "${LOADER_DISK}")
 
 if [ "${BUS}" = "usb" ]; then
-  VID="0x$(udevadm info --query property --name ${LOADER_DISK} | grep ID_VENDOR_ID | cut -d= -f2)"
-  PID="0x$(udevadm info --query property --name ${LOADER_DISK} | grep ID_MODEL_ID | cut -d= -f2)"
+  VID="0x$(udevadm info --query property --name ${LOADER_DISK} 2>/dev/null | grep ID_VENDOR_ID | cut -d= -f2)"
+  PID="0x$(udevadm info --query property --name ${LOADER_DISK} 2>/dev/null | grep ID_MODEL_ID | cut -d= -f2)"
 elif [ "${BUS}" != "sata" -a "${BUS}" != "scsi" -a "${BUS}" != "nvme" -a "${BUS}" != "mmc" ]; then
   die "$(TEXT "Loader disk neither USB or SATA/SCSI/NVME/MMC DoM")"
 fi
@@ -125,7 +125,7 @@ COUNT=0
 while [ ${COUNT} -lt 30 ]; do
   hasConnect="false"
   for N in ${ETHX}; do
-    if ethtool ${N} | grep 'Link detected' | grep -q 'yes'; then
+    if ethtool ${N} 2>/dev/null | grep 'Link detected' | grep -q 'yes'; then
       echo -en "${N} "
       hasConnect="true"
     fi
@@ -144,11 +144,11 @@ for N in ${ETHX}; do
   DRIVER=$(ls -ld /sys/class/net/${N}/device/driver 2>/dev/null | awk -F '/' '{print $NF}')
   echo -en "${N}(${DRIVER}): "
   while true; do
-    if ! ip link show ${N} | grep -q 'UP'; then
+    if ! ip link show ${N} 2>/dev/null | grep -q 'UP'; then
       echo -en "\r${N}(${DRIVER}): $(TEXT "DOWN")\n"
       break
     fi
-    if ethtool ${N} | grep 'Link detected' | grep -q 'no'; then
+    if ethtool ${N} 2>/dev/null | grep 'Link detected' | grep -q 'no'; then
       echo -en "\r${N}(${DRIVER}): $(TEXT "NOT CONNECTED")\n"
       break
     fi
@@ -191,7 +191,7 @@ if [ "${DSMLOGO}" = "true" -a -c "/dev/fb0" ]; then
 fi
 
 # Check memory
-RAM=$(free -m 2>/dev/null | awk '/Mem:/{print$2}')
+RAM=$(free -m 2>/dev/null | awk '/Mem:/{print $2}')
 if [ ${RAM:-0} -le 3500 ]; then
   echo -e "\033[1;33m$(TEXT "You have less than 4GB of RAM, if errors occur in loader creation, please increase the amount of memory.")\033[0m\n"
 fi
diff --git a/files/initrd/opt/rr/menu.sh b/files/initrd/opt/rr/menu.sh
index 45c93f48..261da80d 100755
--- a/files/initrd/opt/rr/menu.sh
+++ b/files/initrd/opt/rr/menu.sh
@@ -11,7 +11,7 @@
 alias DIALOG='dialog --backtitle "$(backtitle)" --colors --aspect 50'
 
 # Check partition 3 space, if < 2GiB is necessary clean cache folder
-PACELEFT=$(df -m ${LOADER_DISK_PART3} | awk 'NR==2 {print $4}')
+PACELEFT=$(df -m ${LOADER_DISK_PART3} 2>/dev/null | awk 'NR==2 {print $4}')
 CLEARCACHE=0
 if [ ${PACELEFT:-0} -lt 430 ]; then
   CLEARCACHE=1
@@ -106,7 +106,7 @@ function modelMenu() {
       Y=$(echo ${M} | tr -cd "[0-9]")
       Y=${Y:0-2}
       echo "${M} ${Y}" >>"${TMP_PATH}/modellist"
-    done <<<$(find "${WORK_PATH}/model-configs" -maxdepth 1 -name \*.yml | sed 's/.*\///; s/\.yml//')
+    done <<<$(find "${WORK_PATH}/model-configs" -maxdepth 1 -name \*.yml 2>/dev/null | sed 's/.*\///; s/\.yml//')
 
     while true; do
       echo -n "" >"${TMP_PATH}/menu"
@@ -141,11 +141,11 @@ function modelMenu() {
       [ -z "${resp}" ] && return
       if [ "${resp}" = "c" ]; then
         models=(DS918+ RS1619xs+ DS419+ DS1019+ DS719+ DS1621xs+)
-        [ $(lspci -d ::300 | grep 8086 | wc -l) -gt 0 ] && iGPU=1 || iGPU=0
-        [ $(lspci -d ::104 | wc -l) -gt 0 -o $(lspci -d ::107 | wc -l) -gt 0 ] && LSI=1 || LSI=0
-        [ $(lspci -d ::108 | wc -l) -gt 0 ] && NVME=1 || NVME=0
+        [ $(lspci -d ::300 2>/dev/null | grep 8086 | wc -l) -gt 0 ] && iGPU=1 || iGPU=0
+        [ $(lspci -d ::104 2>/dev/null | wc -l) -gt 0 -o $(lspci -d ::107 2>/dev/null | wc -l) -gt 0 ] && LSI=1 || LSI=0
+        [ $(lspci -d ::108 2>/dev/null | wc -l) -gt 0 ] && NVME=1 || NVME=0
         if [ "${NVME}" = "1" ]; then
-          for PCI in $(lspci -d ::108 | awk '{print $1}'); do
+          for PCI in $(lspci -d ::108 2>/dev/null | awk '{print $1}'); do
             if [ ! -d "/sys/devices/pci0000:00/0000:${PCI}/nvme" ]; then
               NVME=2
               break
@@ -374,13 +374,13 @@ function ParsePat() {
       break
     fi
 
-    MODELTMP=$(grep -E "MODEL=\".*\"" ${UNTAR_PAT_PATH}/GRUB_VER | sed 's/.*MODEL="\(.*\)".*/\1/')
+    MODELTMP=$(grep -E "MODEL=\".*\"" ${UNTAR_PAT_PATH}/GRUB_VER 2>/dev/null | sed 's/.*MODEL="\(.*\)".*/\1/')
     if [ -n "${MODELTMP}" ]; then
       if [ -f "${WORK_PATH}/model-configs/${MODELTMP}.yml" ]; then
         MODEL=${MODELTMP}
       else
         IS_FIND="false"
-        for M in $(find "${WORK_PATH}/model-configs" -maxdepth 1 -name \*.yml | sed 's/.*\///; s/\.yml//'); do
+        for M in $(find "${WORK_PATH}/model-configs" -maxdepth 1 -name \*.yml 2>/dev/null | sed 's/.*\///; s/\.yml//'); do
           if [ "$(readModelKey "${M}" "id")" = "${MODELTMP}" ]; then
             MODEL=${M}
             IS_FIND="true"
@@ -421,9 +421,9 @@ function ParsePat() {
 
     mkdir -p "${PART3_PATH}/dl"
     # Check disk space left
-    SPACELEFT=$(df -m ${LOADER_DISK_PART3} | awk 'NR==2 {print $4}')
+    SPACELEFT=$(df -m ${LOADER_DISK_PART3} 2>/dev/null | awk 'NR==2 {print $4}')
     # Discover remote file size
-    FILESIZE=$(du -m "${PAT_PATH}" | awk '{print $1}')
+    FILESIZE=$(du -m "${PAT_PATH}" 2>/dev/null | awk '{print $1}')
     if [ ${FILESIZE:-0} -ge ${SPACELEFT:-0} ]; then
       # No disk space to copy, mv it to dl
       mv -f "${PAT_PATH}" "${PART3_PATH}/dl/${MODEL}-${PRODUCTVER}.pat"
@@ -694,7 +694,7 @@ function moduleMenu() {
       DIALOG --title "$(TEXT "Modules")" \
         --infobox "$(TEXT "Selecting loaded modules")" 0 0
       KOLIST=""
-      for I in $(lsmod | awk -F' ' '{print $1}' | grep -v 'Module'); do
+      for I in $(lsmod 2>/dev/null | awk -F' ' '{print $1}' | grep -v 'Module'); do
         KOLIST+="$(getdepends "${PLATFORM}" "$([ -n "${KPRE}" ] && echo "${KPRE}-")${KVER}" "${I}") ${I} "
       done
       KOLIST=($(echo ${KOLIST} | tr ' ' '\n' | sort -u))
@@ -705,7 +705,7 @@ function moduleMenu() {
       touch ${PART1_PATH}/.build
       ;;
     u)
-      if ! tty | grep -q "/dev/pts"; then #if ! tty | grep -q "/dev/pts" || [ -z "${SSH_TTY}" ]; then
+      if ! tty 2>/dev/null | grep -q "/dev/pts"; then #if ! tty 2>/dev/null | grep -q "/dev/pts" || [ -z "${SSH_TTY}" ]; then
         MSG=""
         MSG+="$(TEXT "This feature is only available when accessed via ssh (Requires a terminal that supports ZModem protocol).\n")"
         DIALOG --title "$(TEXT "Modules")" \
@@ -1156,9 +1156,9 @@ function extractDsmFiles() {
     fi
     echo "$(printf "$(TEXT "Downloading %s ...")" "${PAT_FILE}")"
     # Check disk space left
-    SPACELEFT=$(df --block-size=1 ${LOADER_DISK_PART3} | awk 'NR==2 {print $4}')
+    SPACELEFT=$(df --block-size=1 ${LOADER_DISK_PART3} 2>/dev/null | awk 'NR==2 {print $4}')
     # Discover remote file size
-    FILESIZE=$(curl -skLI --connect-timeout 10 "${PATURL}" | grep -i Content-Length | awk '{print$2}')
+    FILESIZE=$(curl -skLI --connect-timeout 10 "${PATURL}" | grep -i Content-Length | tail -n 1 | awk '{print $2}')
     if [ ${FILESIZE:-0} -ge ${SPACELEFT:-0} ]; then
       # No disk space to download, change it to RAMDISK
       PAT_PATH="${TMP_PATH}/${PAT_FILE}"
@@ -1519,10 +1519,10 @@ function advancedMenu() {
     y)
       DIALOG --title "$(TEXT "Advanced")" \
         --infobox "$(TEXT "Scanning ...")" 0 0
-      ITEM=$(iw wlan0 scan | grep SSID: | awk '{print $2}')
+      ITEM=$(iw wlan0 scan 2>/dev/null | grep SSID: | awk '{print $2}')
       MSG=""
       MSG+="$(TEXT "Scanned SSIDs:\n")"
-      for I in $(iw wlan0 scan | grep SSID: | awk '{print $2}'); do MSG+="${I}\n"; done
+      for I in $(iw wlan0 scan 2>/dev/null | grep SSID: | awk '{print $2}'); do MSG+="${I}\n"; done
       LINENUM=$(($(echo -e "${MSG}" | wc -l) + 8))
       while true; do
         SSID=$(cat ${PART1_PATH}/wpa_supplicant.conf 2>/dev/null | grep -i SSID | cut -d'=' -f2)
@@ -1553,7 +1553,7 @@ function advancedMenu() {
 
             for ETH in $(ls /sys/class/net/ 2>/dev/null | grep wlan); do
               connectwlanif "${ETH}" && sleep 1
-              MACR="$(cat /sys/class/net/${ETH}/address | sed 's/://g')"
+              MACR="$(cat /sys/class/net/${ETH}/address 2>/dev/null | sed 's/://g')"
               IPR="$(readConfigKey "network.${MACR}" "${USER_CONFIG_FILE}")"
               if [ -n "${IPR}" ]; then
                 ip addr add ${IPC}/24 dev ${ETH}
@@ -1589,13 +1589,13 @@ function advancedMenu() {
     s)
       MSG=""
       NUMPORTS=0
-      [ $(lspci -d ::106 | wc -l) -gt 0 ] && MSG+="\nATA:\n"
-      for PCI in $(lspci -d ::106 | awk '{print $1}'); do
-        NAME=$(lspci -s "${PCI}" | sed "s/\ .*://")
+      [ $(lspci -d ::106 2>/dev/null | wc -l) -gt 0 ] && MSG+="\nATA:\n"
+      for PCI in $(lspci -d ::106 2>/dev/null | awk '{print $1}'); do
+        NAME=$(lspci -s "${PCI}" 2>/dev/null | sed "s/\ .*://")
         MSG+="\Zb${NAME}\Zn\nPorts: "
         PORTS=$(ls -l /sys/class/scsi_host 2>/dev/null | grep "${PCI}" | awk -F'/' '{print $NF}' | sed 's/host//' | sort -n)
         for P in ${PORTS}; do
-          if lsscsi -b | grep -v - | grep -q "\[${P}:"; then
+          if lsscsi -b 2>/dev/null | grep -v - | grep -q "\[${P}:"; then
             DUMMY="$([ "$(cat /sys/class/scsi_host/host${P}/ahci_port_cmd)" = "0" ] && echo 1 || echo 2)"
             if [ "$(cat /sys/class/scsi_host/host${P}/ahci_port_cmd)" = "0" ]; then
               MSG+="\Z1$(printf "%02d" ${P})\Zn "
@@ -1609,52 +1609,52 @@ function advancedMenu() {
         done
         MSG+="\n"
       done
-      [ $(lspci -d ::104 | wc -l) -gt 0 ] && MSG+="\nRAID:\n"
-      for PCI in $(lspci -d ::104 | awk '{print $1}'); do
-        NAME=$(lspci -s "${PCI}" | sed "s/\ .*://")
+      [ $(lspci -d ::104 2>/dev/null | wc -l) -gt 0 ] && MSG+="\nRAID:\n"
+      for PCI in $(lspci -d ::104 2>/dev/null | awk '{print $1}'); do
+        NAME=$(lspci -s "${PCI}" 2>/dev/null | sed "s/\ .*://")
         PORT=$(ls -l /sys/class/scsi_host 2>/dev/null | grep "${PCI}" | awk -F'/' '{print $NF}' | sed 's/host//' | sort -n)
-        PORTNUM=$(lsscsi -b | grep -v - | grep "\[${PORT}:" | wc -l)
+        PORTNUM=$(lsscsi -b 2>/dev/null | grep -v - | grep "\[${PORT}:" | wc -l)
         MSG+="\Zb${NAME}\Zn\nNumber: ${PORTNUM}\n"
         NUMPORTS=$((${NUMPORTS} + ${PORTNUM}))
       done
-      [ $(lspci -d ::107 | wc -l) -gt 0 ] && MSG+="\nSerial Attached SCSI:\n"
-      for PCI in $(lspci -d ::107 | awk '{print $1}'); do
-        NAME=$(lspci -s "${PCI}" | sed "s/\ .*://")
+      [ $(lspci -d ::107 2>/dev/null | wc -l) -gt 0 ] && MSG+="\nSerial Attached SCSI:\n"
+      for PCI in $(lspci -d ::107 2>/dev/null | awk '{print $1}'); do
+        NAME=$(lspci -s "${PCI}" 2>/dev/null | sed "s/\ .*://")
         PORT=$(ls -l /sys/class/scsi_host 2>/dev/null | grep "${PCI}" | awk -F'/' '{print $NF}' | sed 's/host//' | sort -n)
-        PORTNUM=$(lsscsi -b | grep -v - | grep "\[${PORT}:" | wc -l)
+        PORTNUM=$(lsscsi -b 2>/dev/null | grep -v - | grep "\[${PORT}:" | wc -l)
         MSG+="\Zb${NAME}\Zn\nNumber: ${PORTNUM}\n"
         NUMPORTS=$((${NUMPORTS} + ${PORTNUM}))
       done
-      [ $(lspci -d ::100 | wc -l) -gt 0 ] && MSG+="\nSCSI:\n"
-      for PCI in $(lspci -d ::100 | awk '{print $1}'); do
-        NAME=$(lspci -s "${PCI}" | sed "s/\ .*://")
+      [ $(lspci -d ::100 2>/dev/null | wc -l) -gt 0 ] && MSG+="\nSCSI:\n"
+      for PCI in $(lspci -d ::100 2>/dev/null | awk '{print $1}'); do
+        NAME=$(lspci -s "${PCI}" 2>/dev/null | sed "s/\ .*://")
         PORTNUM=$(ls -l /sys/block/* 2>/dev/null | grep "${PCI}" | wc -l)
         [ ${PORTNUM} -eq 0 ] && continue
         MSG+="\Zb${NAME}\Zn\nNumber: ${PORTNUM}\n"
         NUMPORTS=$((${NUMPORTS} + ${PORTNUM}))
       done
       [ $(ls -l /sys/class/scsi_host 2>/dev/null | grep usb | wc -l) -gt 0 ] && MSG+="\nUSB:\n"
-      for PCI in $(lspci -d ::c03 | awk '{print $1}'); do
-        NAME=$(lspci -s "${PCI}" | sed "s/\ .*://")
+      for PCI in $(lspci -d ::c03 2>/dev/null | awk '{print $1}'); do
+        NAME=$(lspci -s "${PCI}" 2>/dev/null | sed "s/\ .*://")
         PORT=$(ls -l /sys/class/scsi_host 2>/dev/null | grep "${PCI}" | awk -F'/' '{print $NF}' | sed 's/host//' | sort -n)
-        PORTNUM=$(lsscsi -b | grep -v - | grep "\[${PORT}:" | wc -l)
+        PORTNUM=$(lsscsi -b 2>/dev/null | grep -v - | grep "\[${PORT}:" | wc -l)
         [ ${PORTNUM} -eq 0 ] && continue
         MSG+="\Zb${NAME}\Zn\nNumber: ${PORTNUM}\n"
         NUMPORTS=$((${NUMPORTS} + ${PORTNUM}))
       done
       [ $(ls -l /sys/class/mmc_host 2>/dev/null | grep mmc_host | wc -l) -gt 0 ] && MSG+="\nMMC:\n"
-      for PCI in $(lspci -d ::805 | awk '{print $1}'); do
-        NAME=$(lspci -s "${PCI}" | sed "s/\ .*://")
+      for PCI in $(lspci -d ::805 2>/dev/null | awk '{print $1}'); do
+        NAME=$(lspci -s "${PCI}" 2>/dev/null | sed "s/\ .*://")
         PORTNUM=$(ls -l /sys/block/mmc* 2>/dev/null | grep "${PCI}" | wc -l)
         [ ${PORTNUM} -eq 0 ] && continue
         MSG+="\Zb${NAME}\Zn\nNumber: ${PORTNUM}\n"
         NUMPORTS=$((${NUMPORTS} + ${PORTNUM}))
       done
-      [ $(lspci -d ::108 | wc -l) -gt 0 ] && MSG+="\nNVME:\n"
-      for PCI in $(lspci -d ::108 | awk '{print $1}'); do
-        NAME=$(lspci -s "${PCI}" | sed "s/\ .*://")
+      [ $(lspci -d ::108 2>/dev/null | wc -l) -gt 0 ] && MSG+="\nNVME:\n"
+      for PCI in $(lspci -d ::108 2>/dev/null | awk '{print $1}'); do
+        NAME=$(lspci -s "${PCI}" 2>/dev/null | sed "s/\ .*://")
         PORT=$(ls -l /sys/class/nvme 2>/dev/null | grep "${PCI}" | awk -F'/' '{print $NF}' | sed 's/nvme//' | sort -n)
-        PORTNUM=$(lsscsi -b | grep -v - | grep "\[N:${PORT}:" | wc -l)
+        PORTNUM=$(lsscsi -b 2>/dev/null | grep -v - | grep "\[N:${PORT}:" | wc -l)
         MSG+="\Zb${NAME}\Zn\nNumber: ${PORTNUM}\n"
         NUMPORTS=$((${NUMPORTS} + ${PORTNUM}))
       done
@@ -1777,7 +1777,7 @@ function advancedMenu() {
         --no-items --menu "$(TEXT "Choose a user name")" 0 0 0 --file "${TMP_PATH}/menu" \
         2>${TMP_PATH}/resp
       [ $? -ne 0 ] && return
-      USER="$(cat "${TMP_PATH}/resp" | awk '{print $1}')"
+      USER="$(cat "${TMP_PATH}/resp" 2>/dev/null | awk '{print $1}')"
       [ -z "${USER}" ] && return
       while true; do
         DIALOG --title "$(TEXT "Advanced")" \
@@ -1794,7 +1794,7 @@ function advancedMenu() {
         mkdir -p "${TMP_PATH}/sdX1"
         for I in $(ls /dev/sd*1 2>/dev/null | grep -v "${LOADER_DISK_PART1}"); do
           mount "${I}" "${TMP_PATH}/sdX1"
-          OLDPASSWD="$(cat "${TMP_PATH}/sdX1/etc/shadow" | grep "^${USER}:" | awk -F ':' '{print $2}')"
+          OLDPASSWD="$(cat "${TMP_PATH}/sdX1/etc/shadow" 2>/dev/null | grep "^${USER}:" | awk -F ':' '{print $2}')"
           if [ -n "${NEWPASSWD}" -a -n "${OLDPASSWD}" ]; then
             sed -i "s|${OLDPASSWD}|${NEWPASSWD}|g" "${TMP_PATH}/sdX1/etc/shadow"
             sed -i "/^${USER}:/ s/\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\):\([^:]*\)/\1:\2:\3:\4:\5:\6:\7::\9/" "${TMP_PATH}/sdX1/etc/shadow"
@@ -1916,7 +1916,7 @@ EOF
           --msgbox "$(TEXT "No disk selected!")" 0 0
         return
       else
-        SIZE=$(df -m ${RESP} | awk 'NR==2 {print $2}')
+        SIZE=$(df -m ${RESP} 2>/dev/null | awk 'NR==2 {print $2}')
         if [ ${SIZE:-0} -lt 1024 ]; then
           DIALOG --title "$(TEXT "Advanced")" \
             --msgbox "$(printf "$(TEXT "Disk %s size is less than 1GB and cannot be cloned!")" "${RESP}")" 0 0
@@ -1938,19 +1938,19 @@ EOF
         sleep 3
 
         mkdir -p "${TMP_PATH}/sdX1"
-        mount "$(lsblk "${RESP}" -pno KNAME,LABEL | grep RR1 | awk '{print $1}')" "${TMP_PATH}/sdX1"
+        mount "$(lsblk "${RESP}" -pno KNAME,LABEL 2>/dev/null | grep RR1 | awk '{print $1}')" "${TMP_PATH}/sdX1"
         cp -vRf "${PART1_PATH}/". "${TMP_PATH}/sdX1/"
         sync
         umount "${TMP_PATH}/sdX1"
 
         mkdir -p "${TMP_PATH}/sdX2"
-        mount "$(lsblk "${RESP}" -pno KNAME,LABEL | grep RR2 | awk '{print $1}')" "${TMP_PATH}/sdX2"
+        mount "$(lsblk "${RESP}" -pno KNAME,LABEL 2>/dev/null | grep RR2 | awk '{print $1}')" "${TMP_PATH}/sdX2"
         cp -vRf "${PART2_PATH}/". "${TMP_PATH}/sdX2/"
         sync
         umount "${TMP_PATH}/sdX2"
 
         mkdir -p "${TMP_PATH}/sdX3"
-        mount "$(lsblk "${RESP}" -pno KNAME,LABEL | grep RR3 | awk '{print $1}')" "${TMP_PATH}/sdX3"
+        mount "$(lsblk "${RESP}" -pno KNAME,LABEL 2>/dev/null | grep RR3 | awk '{print $1}')" "${TMP_PATH}/sdX3"
         cp -vRf "${PART3_PATH}/". "${TMP_PATH}/sdX3/"
         sync
         umount "${TMP_PATH}/sdX3"
@@ -2086,11 +2086,11 @@ function tryRecoveryDSM() {
     MODEL=""
     PRODUCTVER=""
     if [ -f "${DSMROOT_PATH}/.syno/patch/VERSION" ]; then
-      eval $(cat ${DSMROOT_PATH}/.syno/patch/VERSION | grep unique)
-      eval $(cat ${DSMROOT_PATH}/.syno/patch/VERSION | grep majorversion)
-      eval $(cat ${DSMROOT_PATH}/.syno/patch/VERSION | grep minorversion)
-      eval $(cat ${DSMROOT_PATH}/.syno/patch/VERSION | grep buildnumber)
-      eval $(cat ${DSMROOT_PATH}/.syno/patch/VERSION | grep smallfixnumber)
+      eval $(cat ${DSMROOT_PATH}/.syno/patch/VERSION 2>/dev/null | grep unique)
+      eval $(cat ${DSMROOT_PATH}/.syno/patch/VERSION 2>/dev/null | grep majorversion)
+      eval $(cat ${DSMROOT_PATH}/.syno/patch/VERSION 2>/dev/null | grep minorversion)
+      eval $(cat ${DSMROOT_PATH}/.syno/patch/VERSION 2>/dev/null | grep buildnumber)
+      eval $(cat ${DSMROOT_PATH}/.syno/patch/VERSION 2>/dev/null | grep smallfixnumber)
       if [ -n "${unique}" ]; then
         while read F; do
           M="$(basename ${F})"
@@ -2099,7 +2099,7 @@ function tryRecoveryDSM() {
           [ "${unique}" = "${UNIQUE}" ] || continue
           # Found
           modelMenu "${M}"
-        done <<<$(find "${WORK_PATH}/model-configs" -maxdepth 1 -name \*.yml | sort)
+        done <<<$(find "${WORK_PATH}/model-configs" -maxdepth 1 -name \*.yml 2>/dev/null | sort)
         if [ -n "${MODEL}" ]; then
           productversMenu "${majorversion}.${minorversion}"
           if [ -n "${PRODUCTVER}" ]; then
@@ -2667,7 +2667,7 @@ function updateMenu() {
       [ -n "${F}" ] && updateCKs "${F}" "${SILENT}"
       ;;
     u)
-      if ! tty | grep -q "/dev/pts" || [ -z "${SSH_TTY}" ]; then
+      if ! tty 2>/dev/null | grep -q "/dev/pts" || [ -z "${SSH_TTY}" ]; then
         MSG=""
         MSG+="$(TEXT "This feature is only available when accessed via ssh (Requires a terminal that supports ZModem protocol).\n")"
         MSG+="$(TEXT "Manually uploading update*.zip,addons*.zip,modules*.zip,rp-lkms*.zip,rr-cks*.zip to /tmp/ will skip the download.")"
diff --git a/files/initrd/opt/rr/ramdisk-patch.sh b/files/initrd/opt/rr/ramdisk-patch.sh
index 23e2b1d7..ddd18398 100755
--- a/files/initrd/opt/rr/ramdisk-patch.sh
+++ b/files/initrd/opt/rr/ramdisk-patch.sh
@@ -227,9 +227,9 @@ done
 # Reassembly ramdisk
 echo -n "."
 if [ "${RD_COMPRESSED}" == "true" ]; then
-  (cd "${RAMDISK_PATH}" && find . | cpio -o -H newc -R root:root | xz -9 --format=lzma >"${MOD_RDGZ_FILE}") >"${LOG_FILE}" 2>&1 || dieLog
+  (cd "${RAMDISK_PATH}" && find . 2>/dev/null | cpio -o -H newc -R root:root | xz -9 --format=lzma >"${MOD_RDGZ_FILE}") >"${LOG_FILE}" 2>&1 || dieLog
 else
-  (cd "${RAMDISK_PATH}" && find . | cpio -o -H newc -R root:root >"${MOD_RDGZ_FILE}") >"${LOG_FILE}" 2>&1 || dieLog
+  (cd "${RAMDISK_PATH}" && find . 2>/dev/null | cpio -o -H newc -R root:root >"${MOD_RDGZ_FILE}") >"${LOG_FILE}" 2>&1 || dieLog
 fi
 
 # Clean
diff --git a/files/initrd/opt/rr/vmlinux-to-bzImage.sh b/files/initrd/opt/rr/vmlinux-to-bzImage.sh
index bc380137..cbf78e4d 100755
--- a/files/initrd/opt/rr/vmlinux-to-bzImage.sh
+++ b/files/initrd/opt/rr/vmlinux-to-bzImage.sh
@@ -68,7 +68,7 @@ if [ ${KVER_MAJOR} -eq 4 ] || [ ${KVER_MAJOR} -eq 3 ]; then
 
   RUN_SIZE=$(objdump -h ${VMLINUX_MOD} | sh "${SCRIPT_DIR}/calc_run_size.sh")
   size_le ${RUN_SIZE} | dd of=${ZIMAGE_MOD} bs=15745210 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
-  size_le $(($((16#$(crc32 "${ZIMAGE_MOD}" | awk '{print$1}'))) ^ 0xFFFFFFFF)) | dd of="${ZIMAGE_MOD}" conv=notrunc oflag=append >"${LOG_FILE}" 2>&1 || dieLog
+  size_le $(($((16#$(crc32 "${ZIMAGE_MOD}" | awk '{print $1}'))) ^ 0xFFFFFFFF)) | dd of="${ZIMAGE_MOD}" conv=notrunc oflag=append >"${LOG_FILE}" 2>&1 || dieLog
 else
   # Kernel version 5.x
   gzip -dc "${SCRIPT_DIR}/bzImage-template-v5.gz" >"${ZIMAGE_MOD}"
@@ -78,5 +78,5 @@ else
   file_size_le "${VMLINUX_MOD}" | dd of="${ZIMAGE_MOD}" bs=34479132 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
   #  RUN_SIZE=`objdump -h ${VMLINUX_MOD} | sh "${SCRIPT_DIR}/calc_run_size.sh"`
   #  size_le ${RUN_SIZE} | dd of=${ZIMAGE_MOD} bs=34626904 seek=1 conv=notrunc >"${LOG_FILE}" 2>&1 || dieLog
-  size_le $(($((16#$(crc32 "${ZIMAGE_MOD}" | awk '{print$1}'))) ^ 0xFFFFFFFF)) | dd of="${ZIMAGE_MOD}" conv=notrunc oflag=append >"${LOG_FILE}" 2>&1 || dieLog
+  size_le $(($((16#$(crc32 "${ZIMAGE_MOD}" | awk '{print $1}'))) ^ 0xFFFFFFFF)) | dd of="${ZIMAGE_MOD}" conv=notrunc oflag=append >"${LOG_FILE}" 2>&1 || dieLog
 fi
diff --git a/files/initrd/opt/rr/zimage-patch.sh b/files/initrd/opt/rr/zimage-patch.sh
index eb1e35fc..98540560 100755
--- a/files/initrd/opt/rr/zimage-patch.sh
+++ b/files/initrd/opt/rr/zimage-patch.sh
@@ -37,7 +37,7 @@ fi
 
 echo -n "."
 # Update HASH of new DSM zImage
-HASH="$(sha256sum ${ORI_ZIMAGE_FILE} | awk '{print$1}')"
+HASH="$(sha256sum ${ORI_ZIMAGE_FILE} | awk '{print $1}')"
 writeConfigKey "zimage-hash" "${HASH}" "${USER_CONFIG_FILE}"
 
 echo
diff --git a/scripts/func.sh b/scripts/func.sh
index 1456d93c..54ec67c7 100755
--- a/scripts/func.sh
+++ b/scripts/func.sh
@@ -272,8 +272,8 @@ function resizeImg() {
   INPUT_FILE="$(readlink -f "${INPUT_FILE}")"
   OUTPUT_FILE="$(readlink -f "${OUTPUT_FILE}")"
 
-  SIZE=$(($(du -m "${INPUT_FILE}" | awk '{print $1}')$(echo "${CHANGE_SIZE}" | sed 's/M//g; s/b//g')))
-  [ -z "${SIZE}" -o "${SIZE}" -lt 0 ] && exit 1
+  SIZE=$(($(du -m "${INPUT_FILE}" 2>/dev/null | awk '{print $1}')$(echo "${CHANGE_SIZE}" | sed 's/M//g; s/b//g')))
+  [ "${SIZE:-0}" -lt 0 ] && exit 1
 
   if [ ! "${INPUT_FILE}" = "${OUTPUT_FILE}" ]; then
     sudo cp -f "${INPUT_FILE}" "${OUTPUT_FILE}"