perf report: Bail out if there are unrecognized options/arguments
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/Documentation/perf_counter/builtin-report.c b/Documentation/perf_counter/builtin-report.c
index 7beedc6..389ae25 100644
--- a/Documentation/perf_counter/builtin-report.c
+++ b/Documentation/perf_counter/builtin-report.c
@@ -1094,10 +1094,16 @@
page_size = getpagesize();
- parse_options(argc, argv, options, report_usage, 0);
+ argc = parse_options(argc, argv, options, report_usage, 0);
setup_sorting();
+ /*
+ * Any (unrecognized) arguments left?
+ */
+ if (argc)
+ usage_with_options(report_usage, options);
+
setup_pager();
return __cmd_report();