doveadm: Explicitly handle invalid option

diff --git a/src/doveadm/doveadm.c b/src/doveadm/doveadm.c
index 45d7b54234d33a92a5b8bc6a57fc4bf5e1150bf6..5acbc993383dc8b97991b2b215ead00ae81f69cd 100644 (file)
--- a/src/doveadm/doveadm.c
+++ b/src/doveadm/doveadm.c
@@ -309,7 +309,10 @@ int main(int argc, char *argv[])
                        doveadm_verbose = TRUE;
                        break;
                default:
-                       return FATAL_DEFAULT;
+                       fprintf(stderr, "%s\n",
+                               "Use doveadm --help for a list of available "
+                               "options and commands.");
+                       return EX_USAGE;
                }
        }
        cmd_name = argv[optind];