X-Git-Url: http://git.rohieb.name/openwrt.git/blobdiff_plain/512afda668386575e4d146d22161ca3afa3af728..b37a7498d32068d49dbf33b5e876c9746c2bc316:/obsolete-buildroot/sources/openwrt/root/etc/functions.sh?ds=inline

diff --git a/obsolete-buildroot/sources/openwrt/root/etc/functions.sh b/obsolete-buildroot/sources/openwrt/root/etc/functions.sh
index 79db1dad3..75500a2aa 100755
--- a/obsolete-buildroot/sources/openwrt/root/etc/functions.sh
+++ b/obsolete-buildroot/sources/openwrt/root/etc/functions.sh
@@ -3,24 +3,31 @@
 alias debug=${DEBUG:-:}
 
 # allow env to override nvram
-nvram_get () {
- eval "echo \${$1:-\$(nvram get $1)}"
+nvram () {
+  case $1 in
+    get) eval "echo \${NVRAM_$2:-\$(command nvram get $2)}";;
+    *) command nvram $*;;
+  esac
 }
 . /etc/nvram.overrides
 
 # valid interface?
-if_valid () (
-  [ "${1%%[0-9]}" = "vlan" ] && {
-    i=${1#vlan}
-    hwname=$(nvram_get vlan${i}hwname)
-    hwaddr=$(nvram_get ${hwname}macaddr)
-    [ -z "$hwaddr" ] && return 1
+if_valid () {
+  ifconfig "$1" >&- 2>&- ||
+  [ "${1%%[0-9]}" = "br" ] ||
+  {
+    [ "${1%%[0-9]}" = "vlan" ] && ( 
+      i=${1#vlan}
+      hwname=$(nvram get vlan${i}hwname)
+      hwaddr=$(nvram get ${hwname}macaddr)
+      [ -z "$hwaddr" ] && return 1
 
-    vif=$(ifconfig -a | awk '/^eth.*'$hwaddr'/ {print $1; exit}' IGNORECASE=1)
-    debug "# vlan$i: $hwname $hwaddr => $vif"
+      vif=$(ifconfig -a | awk '/^eth.*'$hwaddr'/ {print $1; exit}' IGNORECASE=1)
+      debug "# vlan$i => $vif"
 
-    $DEBUG ifconfig $vif up
-    $DEBUG vconfig add $vif $i 2>/dev/null
-  }
-  ifconfig "$1" >/dev/null 2>&1 || [ "${1%%[0-9]}" = "br" ]
-)
+      $DEBUG ifconfig $vif up
+      $DEBUG vconfig add $vif $i 2>&-
+    )
+  } ||
+  { echo -e "# $1 ignored: can't find/create"; false; }
+}