brcompatd: Improve error message.

When there are no non-option arguments, "config file is only non-option
argument" is a confusing message, so make it more generic.

diff --git a/vswitchd/brcompatd.c b/vswitchd/brcompatd.c
index aecb73ed7162b87fda1deeababdcfa9da0b27fcb..cda9c5cd08292dff622128e7650daea66483da3a 100644 (file)
--- a/vswitchd/brcompatd.c
+++ b/vswitchd/brcompatd.c
@@ -729,7 +729,7 @@ parse_options(int argc, char *argv[])
     argv += optind;
 
     if (argc != 1) {
-        ovs_fatal(0, "config file is only non-option argument; "
+        ovs_fatal(0, "exactly one non-option argument required; "
                 "use --help for usage");
     }