add protection against running cf2nand from yaffs2

[openwrt.git] / package / base-files / default / etc / functions.sh

diff --git a/package/base-files/default/etc/functions.sh b/package/base-files/default/etc/functions.sh
index 9c3057e..bf87548 100755 (executable)
--- a/package/base-files/default/etc/functions.sh
+++ b/package/base-files/default/etc/functions.sh
@@ -10,13 +10,6 @@ N="
 
 _C=0
 
-# valid interface?
-if_valid () (
-  ifconfig "$1" >&- 2>&- ||
-  [ "${1%%[0-9]}" = "br" ] ||
-  { debug "# missing interface '$1' ignored"; false; }
-)
-
 hotplug_dev() {
        env -i ACTION=$1 INTERFACE=$2 /sbin/hotplug net
 }
@@ -117,3 +110,10 @@ include() {
                . $file
        done
 }
+
+find_mtd_part() {
+       local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')"
+       PART="${PART##mtd}"
+       echo "${PART:+/dev/mtdblock/$PART}"
+}
+