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authorStefan Raspl <stefan.raspl@de.ibm.com>2017-12-11 12:25:27 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2017-12-14 09:25:46 +0100
commit73fab6ffbd83795e38974bb438e7afce0242c61a (patch)
treee0d3e50c7854e9d77dcd5da69aebfbc88a40a4a1 /tools/kvm/kvm_stat
parent822cfe3e4813c8f52199362b0e689fba9459ddc9 (diff)
downloadlinux-73fab6ffbd83795e38974bb438e7afce0242c61a.tar.bz2
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>
Diffstat (limited to 'tools/kvm/kvm_stat')
-rwxr-xr-xtools/kvm/kvm_stat/kvm_stat4
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/kvm/kvm_stat/kvm_stat b/tools/kvm/kvm_stat/kvm_stat
index bf65531570f5..aa3bc47af1d0 100755
--- a/tools/kvm/kvm_stat/kvm_stat
+++ b/tools/kvm/kvm_stat/kvm_stat
@@ -1517,7 +1517,9 @@ 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)