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[tip:perf/core] perf report: Check argument before calling setup_browser()

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  [tip:perf/core] perf report:   Check argument before calling setup_browser() tip-bot for Namhyung Kim <tipbot@zytor.com> - 2015-12-14 09:20 +0100

#1290918 — [tip:perf/core] perf report: Check argument before calling setup_browser()

Commit-ID:  b3f38fc2422ace049110d1588a67b35bd15b81ce
Gitweb:     http://git.kernel.org/tip/b3f38fc2422ace049110d1588a67b35bd15b81ce
Author:     Namhyung Kim <namhyung@kernel.org>
AuthorDate: Thu, 10 Dec 2015 12:00:56 +0900
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Thu, 10 Dec 2015 14:35:58 -0300

perf report: Check argument before calling setup_browser()

This is necessary to get rid of the browser dependency from
usage_with_options() and its friends.  Because there's no code
changing the argc and argv, it'd be ok to check it early.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Reviewed-by: Josh Poimboeuf <jpoimboe@redhat.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1449716459-23004-5-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/builtin-report.c | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index af5db88..5a45466 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -801,6 +801,16 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
 	perf_config(report__config, &report);
 
 	argc = parse_options(argc, argv, options, report_usage, 0);
+	if (argc) {
+		/*
+		 * Special case: if there's an argument left then assume that
+		 * it's a symbol filter:
+		 */
+		if (argc > 1)
+			usage_with_options(report_usage, options);
+
+		report.symbol_filter_str = argv[0];
+	}
 
 	if (symbol_conf.vmlinux_name &&
 	    access(symbol_conf.vmlinux_name, R_OK)) {
@@ -946,17 +956,6 @@ repeat:
 	if (symbol__init(&session->header.env) < 0)
 		goto error;
 
-	if (argc) {
-		/*
-		 * Special case: if there's an argument left then assume that
-		 * it's a symbol filter:
-		 */
-		if (argc > 1)
-			usage_with_options(report_usage, options);
-
-		report.symbol_filter_str = argv[0];
-	}
-
 	sort__setup_elide(stdout);
 
 	ret = __cmd_report(&report);
--
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