Fix bashism/non-POSIX usage of $UID.

[grml-network.git] / sbin / netcardconfig

diff --git a/sbin/netcardconfig b/sbin/netcardconfig
index 03784a9..40252b7 100755 (executable)
--- a/sbin/netcardconfig
+++ b/sbin/netcardconfig
@@ -15,7 +15,7 @@ LANGUAGE=C LANG=C
 export PATH LANGUAGE LANG
 
 . /etc/grml/script-functions
-check4root
+check4root || exit 1
 
 TMP=$(mktemp)