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-rw-r--r--net.Linux/ifconfig.sh2
1 files changed, 2 insertions, 0 deletions
diff --git a/net.Linux/ifconfig.sh b/net.Linux/ifconfig.sh
index 68590bbe..0bd5da29 100644
--- a/net.Linux/ifconfig.sh
+++ b/net.Linux/ifconfig.sh
@@ -61,6 +61,8 @@ _set_mac_address() {
_get_inet_address() {
set -- $(LC_ALL=C ifconfig "${IFACE}" |
sed -n -e 's/.*inet addr:\([^ ]*\).*Mask:\([^ ]*\).*/\1 \2/p')
+ [ -z "$1" ] && return 1
+
echo -n "$1"
shift
echo "/$(_netmask2cidr "$1")"