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authorJo-Philipp Wich <jow@openwrt.org>2012-03-19 20:37:12 +0000
committerJo-Philipp Wich <jow@openwrt.org>2012-03-19 20:37:12 +0000
commitbf9674354848a5e09c220035431ca39a44f0ecfc (patch)
tree2d255767d0685ee7859a9ad43be38e68d940c256
parent0099e0e79bce97361db9afe7a4071e9f1d18c822 (diff)
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base-files: gracefully handle empty variables in preinit (#11155)
SVN-Revision: 31030
-rw-r--r--target/linux/rdc/base-files/lib/preinit/05_set_ether_mac_rdc12
1 files changed, 6 insertions, 6 deletions
diff --git a/target/linux/rdc/base-files/lib/preinit/05_set_ether_mac_rdc b/target/linux/rdc/base-files/lib/preinit/05_set_ether_mac_rdc
index 1e4d072..1a9ad2f 100644
--- a/target/linux/rdc/base-files/lib/preinit/05_set_ether_mac_rdc
+++ b/target/linux/rdc/base-files/lib/preinit/05_set_ether_mac_rdc
@@ -1,5 +1,5 @@
#!/bin/sh
-# Copyright (C) 2009 OpenWrt.org
+# Copyright (C) 2009-2012 OpenWrt.org
. /lib/functions/boot.sh
@@ -13,7 +13,7 @@ r6040_module() {
set_ether_mac() {
kernel=$(grep firmware /proc/mtd | awk -F: '{print $1}')
- [ -n $kernel ] && hdr=$(dd if=/dev/$kernel count=4 bs=1 2> /dev/null)
+ [ -n "$kernel" ] && hdr=$(dd if=/dev/$kernel count=4 bs=1 2> /dev/null)
[ "$hdr" = "CSYS" ] && config=$(find_mtd_part config)
if [ -n "$config" ]; then
mac0=$(hexdump -n 6 -e '6/1 ":%X"' -s 24583 $config | cut -c2-)
@@ -21,13 +21,13 @@ set_ether_mac() {
mac1=$(hexdump -n 6 -e '6/1 ":%X"' -s 24589 $config | cut -c2-)
[ "$mac1" = "FF:FF:FF:FF:FF:FF" -o "$mac0" = "0:0:0:0:0:0" ] && unset mac1
fi
- if [ -n $mac0 ]; then
+ if [ -n "$mac0" ]; then
logger -t kernel -p user.info "r6040: Setting MAC for eth0 to $mac0"
- ifconfig eth0 hw ether $mac0
+ ifconfig eth0 hw ether "$mac0"
fi
- if [ -n $mac1 ]; then
+ if [ -n "$mac1" ]; then
logger -t kernel -p user.info "r6040: Setting MAC for eth1 to $mac1"
- ifconfig eth1 hw ether $mac1
+ ifconfig eth1 hw ether "$mac1"
fi
}