docker-ce: Normalized variable dereference style

Signed-off-by: Gerard Ryan <G.M0N3Y.2503@gmail.com>

diff --git a/utils/docker-ce/files/dockerd.init b/utils/docker-ce/files/dockerd.init
index f5388c083d420bdb3edc461cc5826718fee23999..bda6873e514db21e1d1b6e6981be9af8d9de0610 100755 (executable)
--- a/utils/docker-ce/files/dockerd.init
+++ b/utils/docker-ce/files/dockerd.init
@@ -23,11 +23,11 @@ boot() {
 }
 
 uciadd() {
-       local iface="$1"
-       local device="$2"
-       local zone="$3"
+       local iface="${1}"
+       local device="${2}"
+       local zone="${3}"
 
-       [ -z "$iface" ] && {
+       [ -z "${iface}" ] && {
                iface="docker"
                device="docker0"
                zone="docker"
@@ -77,11 +77,11 @@ uciadd() {
 }
 
 ucidel() {
-       local iface="$1"
-       local device="$2"
-       local zone="$3"
+       local iface="${1}"
+       local device="${2}"
+       local zone="${3}"
 
-       [ -z "$iface" ] && {
+       [ -z "${iface}" ] && {
                iface="docker"
                device="docker0"
                zone="docker"
@@ -182,20 +182,20 @@ service_triggers() {
 }
 
 iptables_add_blocking_rule() {
-       local cfg="$1"
+       local cfg="${1}"
 
        local device=""
 
        handle_iptables_rule() {
-               local interface="$1"
-               local outbound="$2"
+               local interface="${1}"
+               local outbound="${2}"
 
                local inbound=""
 
                . /lib/functions/network.sh
                network_get_physdev inbound "${interface}"
 
-               [ -z "$inbound" ] && {
+               [ -z "${inbound}" ] && {
                        logger -t "dockerd-init" -p notice "Unable to get physical device for interface ${interface}"
                        return
                }
@@ -206,14 +206,14 @@ iptables_add_blocking_rule() {
                fi
        }
 
-       config_get device "$cfg" device
+       config_get device "${cfg}" device
 
-       [ -z "$device" ] && {
+       [ -z "${device}" ] && {
                logger -t "dockerd-init" -p notice "No device configured for ${cfg}"
                return
        }
 
-       config_list_foreach "$cfg" blocked_interfaces handle_iptables_rule "$device"
+       config_list_foreach "${cfg}" blocked_interfaces handle_iptables_rule "${device}"
 }
 
 stop_service() {