linux-kernel - [tip:perf/urgent] perf evsel: perf_evsel__name(NULL) is valid, no need to check evsel

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Message-ID: <tip-4okvjmm18arjrcyfhuahgfxm@git.kernel.org>
Date:   Sat, 13 Jul 2019 03:58:06 -0700
From:   tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     mingo@...nel.org, acme@...hat.com, leo.yan@...aro.org,
        tglx@...utronix.de, hpa@...or.com, adrian.hunter@...el.com,
        namhyung@...nel.org, linux-kernel@...r.kernel.org, jolsa@...nel.org
Subject: [tip:perf/urgent] perf evsel: perf_evsel__name(NULL) is valid, no
 need to check evsel

Commit-ID:  fc50e0ba9bcac92ff177ff3ac64644108b6d8dd8
Gitweb:     https://git.kernel.org/tip/fc50e0ba9bcac92ff177ff3ac64644108b6d8dd8
Author:     Arnaldo Carvalho de Melo <acme@...hat.com>
AuthorDate: Wed, 3 Jul 2019 16:12:51 -0300
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Tue, 9 Jul 2019 09:33:55 -0300

perf evsel: perf_evsel__name(NULL) is valid, no need to check evsel

It'll return "unknown", no need to open code it.

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Leo Yan <leo.yan@...aro.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Link: https://lkml.kernel.org/n/tip-4okvjmm18arjrcyfhuahgfxm@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/builtin-report.c | 2 +-
 tools/perf/util/session.c   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index aef59f318a67..93d4b12e248e 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -298,7 +298,7 @@ static int process_read_event(struct perf_tool *tool,
 	struct report *rep = container_of(tool, struct report, tool);
 
 	if (rep->show_threads) {
-		const char *name = evsel ? perf_evsel__name(evsel) : "unknown";
+		const char *name = perf_evsel__name(evsel);
 		int err = perf_read_values_add_value(&rep->show_threads_values,
 					   event->read.pid, event->read.tid,
 					   evsel->idx,
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 2e61dd6a3574..e3463df18493 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1246,7 +1246,7 @@ static void dump_read(struct perf_evsel *evsel, union perf_event *event)
 		return;
 
 	printf(": %d %d %s %" PRIu64 "\n", event->read.pid, event->read.tid,
-	       evsel ? perf_evsel__name(evsel) : "FAIL",
+	       perf_evsel__name(evsel),
 	       event->read.value);
 
 	if (!evsel)