From 8c1cedb4466809f9d741a4088314783cb88680a9 Mon Sep 17 00:00:00 2001 From: Taeung Song Date: Mon, 8 May 2017 20:07:30 +0900 Subject: [PATCH] perf config: Invert an if statement to reduce nesting in cmd_config() Signed-off-by: Taeung Song Cc: Jiri Olsa Cc: Namhyung Kim Link: http://lkml.kernel.org/r/1494241650-32210-1-git-send-email-treeze.taeung@gmail.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-config.c | 50 +++++++++++++++++++------------------ 1 file changed, 26 insertions(+), 24 deletions(-) diff --git a/tools/perf/builtin-config.c b/tools/perf/builtin-config.c index 80668fa7556e..75459668edb2 100644 --- a/tools/perf/builtin-config.c +++ b/tools/perf/builtin-config.c @@ -204,31 +204,33 @@ int cmd_config(int argc, const char **argv) } break; default: - if (argc) { - for (i = 0; argv[i]; i++) { - char *var, *value; - char *arg = strdup(argv[i]); - - if (!arg) { - pr_err("%s: strdup failed\n", __func__); - ret = -1; - break; - } - - if (parse_config_arg(arg, &var, &value) < 0) { - free(arg); - ret = -1; - break; - } - - if (value == NULL) - ret = show_spec_config(set, var); - else - ret = set_config(set, config_filename, var, value); - free(arg); - } - } else + if (!argc) { usage_with_options(config_usage, config_options); + break; + } + + for (i = 0; argv[i]; i++) { + char *var, *value; + char *arg = strdup(argv[i]); + + if (!arg) { + pr_err("%s: strdup failed\n", __func__); + ret = -1; + break; + } + + if (parse_config_arg(arg, &var, &value) < 0) { + free(arg); + ret = -1; + break; + } + + if (value == NULL) + ret = show_spec_config(set, var); + else + ret = set_config(set, config_filename, var, value); + free(arg); + } } perf_config_set__delete(set);