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File 0029-tools-kvm_stat-stop-ignoring-unhandled-arguments.patch of Package kvm_stat

From 7c7d471aafaede78a90868683760daf1846c606b Mon Sep 17 00:00:00 2001
From: Stefan Raspl <stefan.raspl@de.ibm.com>
Date: Mon, 11 Dec 2017 12:25:27 +0100
Subject: [PATCH 29/43] tools/kvm_stat: stop ignoring unhandled arguments

Unhandled arguments, which could easily include typos, are simply
ignored. We should be strict to avoid undetected typos.
To reproduce start kvm_stat with an extra argument, e.g.
'kvm_stat -d bnuh5ol' and note that this will actually work.

Signed-off-by: Stefan Raspl <raspl@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 73fab6ffbd83795e38974bb438e7afce0242c61a)
[FL: FATE#325017]
Signed-off-by: Fei Li <fli@suse.com>
---
 tools/kvm/kvm_stat/kvm_stat | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/kvm/kvm_stat/kvm_stat b/tools/kvm/kvm_stat/kvm_stat
index dcfeb57d54fe..f613e2beef7b 100755
--- a/tools/kvm/kvm_stat/kvm_stat
+++ b/tools/kvm/kvm_stat/kvm_stat
@@ -1520,7 +1520,9 @@ Press any other key to refresh statistics immediately.
                          help='restrict statistics to guest by name',
                          callback=cb_guest_to_pid,
                          )
-    (options, _) = optparser.parse_args(sys.argv)
+    options, unkn = optparser.parse_args(sys.argv)
+    if len(unkn) != 1:
+        sys.exit('Error: Extra argument(s): ' + ' '.join(unkn[1:]))
     try:
         # verify that we were passed a valid regex up front
         re.compile(options.fields)
-- 
2.12.3