linux-kernel - [tip:perf/core] perf help: Elliminate dup code for reporting

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Message-ID: <tip-pkzcjrhek3uuqc4i5i9ealwd@git.kernel.org>
Date:   Sat, 1 Jul 2017 01:47:00 -0700
From:   tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     hpa@...or.com, tglx@...utronix.de, mingo@...nel.org,
        jolsa@...nel.org, linux-kernel@...r.kernel.org,
        adrian.hunter@...el.com, namhyung@...nel.org, dsahern@...il.com,
        wangnan0@...wei.com, acme@...hat.com
Subject: [tip:perf/core] perf help: Elliminate dup code for reporting

Commit-ID:  86e474ff870aded90c4ffa3f488cb5c093188ca4
Gitweb:     http://git.kernel.org/tip/86e474ff870aded90c4ffa3f488cb5c093188ca4
Author:     Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Tue, 27 Jun 2017 10:59:28 -0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Tue, 27 Jun 2017 10:59:28 -0300

perf help: Elliminate dup code for reporting

And switch from warning() to pr_warning(), to elliminate another
duplication: too many error reporting facilities.

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Wang Nan <wangnan0@...wei.com>
Link: http://lkml.kernel.org/n/tip-pkzcjrhek3uuqc4i5i9ealwd@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/builtin-help.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/tools/perf/builtin-help.c b/tools/perf/builtin-help.c
index e82fa0d..ff53e98 100644
--- a/tools/perf/builtin-help.c
+++ b/tools/perf/builtin-help.c
@@ -210,6 +210,12 @@ static void do_add_man_viewer_info(const char *name,
 	man_viewer_info_list = new;
 }
 
+static void unsupported_man_viewer(const char *name, const char *var)
+{
+	pr_warning("'%s': path for unsupported man viewer.\n"
+		   "Please consider using 'man.<tool>.%s' instead.", name, var);
+}
+
 static int add_man_viewer_path(const char *name,
 			       size_t len,
 			       const char *value)
@@ -217,9 +223,7 @@ static int add_man_viewer_path(const char *name,
 	if (supported_man_viewer(name, len))
 		do_add_man_viewer_info(name, len, value);
 	else
-		warning("'%s': path for unsupported man viewer.\n"
-			"Please consider using 'man.<tool>.cmd' instead.",
-			name);
+		unsupported_man_viewer(name, "cmd");
 
 	return 0;
 }
@@ -229,9 +233,7 @@ static int add_man_viewer_cmd(const char *name,
 			      const char *value)
 {
 	if (supported_man_viewer(name, len))
-		warning("'%s': cmd for supported man viewer.\n"
-			"Please consider using 'man.<tool>.path' instead.",
-			name);
+		unsupported_man_viewer(name, "path");
 	else
 		do_add_man_viewer_info(name, len, value);