From 6d97280899a766ad7b4a6b07cc803709a08b364b Mon Sep 17 00:00:00 2001
From: Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
Date: Wed, 6 Jun 2012 16:56:19 +0200
Subject: systemctl: check the argument to -t for invalid values

Systemctl accepted anything as the argument for -t, and simply said '0
units found'. It is better to catch this user error early.
---
 src/systemctl/systemctl.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src')

diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index c89920bccb..a9681798dd 100644
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -4650,6 +4650,10 @@ static int systemctl_parse_argv(int argc, char *argv[]) {
                         return 0;
 
                 case 't':
+                        if (unit_type_from_string(optarg) < 0) {
+                                log_error("Invalid unit type '%s'.", optarg);
+                                return -EINVAL;
+                        }
                         arg_type = optarg;
                         break;
 
-- 
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