[tip:perfcounters/core] perf report: Bail out if there are unrecognized options/arguments

[tip-bot for Ingo Molnar]

Commit-ID:  edc52deac624e4641211a325c23da2a73b01a85d
Gitweb:     http://git.kernel.org/tip/edc52deac624e4641211a325c23da2a73b01a85d
Author:     Ingo Molnar <mingo@xxxxxxx>
AuthorDate: Thu, 4 Jun 2009 16:24:37 +0200
Committer:  Ingo Molnar <mingo@xxxxxxx>
CommitDate: Thu, 4 Jun 2009 16:24:37 +0200

perf report: Bail out if there are unrecognized options/arguments

Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>


---
 Documentation/perf_counter/builtin-report.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

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 @@ int cmd_report(int argc, const char **argv, const char *prefix)
 
 	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();
--
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