linux-kernel - [PATCH 1/7] perf config: Refactor a duplicated code for config file name

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Message-Id: <1493216233-9064-1-git-send-email-treeze.taeung@gmail.com>
Date:   Wed, 26 Apr 2017 23:17:13 +0900
From:   Taeung Song <treeze.taeung@...il.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>
Subject: [PATCH 1/7] perf config: Refactor a duplicated code for config file name

Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Signed-off-by: Taeung Song <treeze.taeung@...il.com>
---
 tools/perf/builtin-config.c | 19 ++++++++-----------
 1 file changed, 8 insertions(+), 11 deletions(-)

diff --git a/tools/perf/builtin-config.c b/tools/perf/builtin-config.c
index 55f04f8..80668fa 100644
--- a/tools/perf/builtin-config.c
+++ b/tools/perf/builtin-config.c
@@ -159,6 +159,7 @@ int cmd_config(int argc, const char **argv)
 	int i, ret = 0;
 	struct perf_config_set *set;
 	char *user_config = mkpath("%s/.perfconfig", getenv("HOME"));
+	const char *config_filename;
 
 	argc = parse_options(argc, argv, config_options, config_usage,
 			     PARSE_OPT_STOP_AT_NON_OPTION);
@@ -175,6 +176,11 @@ int cmd_config(int argc, const char **argv)
 	else if (use_user_config)
 		config_exclusive_filename = user_config;
 
+	if (!config_exclusive_filename)
+		config_filename = user_config;
+	else
+		config_filename = config_exclusive_filename;
+
 	/*
 	 * At only 'config' sub-command, individually use the config set
 	 * because of reinitializing with options config file location.
@@ -192,13 +198,9 @@ int cmd_config(int argc, const char **argv)
 			parse_options_usage(config_usage, config_options, "l", 1);
 		} else {
 			ret = show_config(set);
-			if (ret < 0) {
-				const char * config_filename = config_exclusive_filename;
-				if (!config_exclusive_filename)
-					config_filename = user_config;
+			if (ret < 0)
 				pr_err("Nothing configured, "
 				       "please check your %s \n", config_filename);
-			}
 		}
 		break;
 	default:
@@ -221,13 +223,8 @@ int cmd_config(int argc, const char **argv)
 
 				if (value == NULL)
 					ret = show_spec_config(set, var);
-				else {
-					const char *config_filename = config_exclusive_filename;
-
-					if (!config_exclusive_filename)
-						config_filename = user_config;
+				else
 					ret = set_config(set, config_filename, var, value);
-				}
 				free(arg);
 			}
 		} else
-- 
2.7.4