Fix reading DEBUG option from configuration file.

diff --git a/functions.util b/functions.util
index 7da58f7acbe97d67e2988498d92c6daffa5b3267..953df22a50905ce35aa1687d616993ea48fc700d 100644 (file)
--- a/functions.util
+++ b/functions.util
@@ -164,7 +164,9 @@ function network_config_read() {
 
        config_read ${CONFIG_FILE}
 
-       DEBUG=${debug}
+       if [ -n "${debug}" ]; then
+               DEBUG=${debug}
+       fi
 }
 
 function network_config_write() {