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From: Jiri Olsa <jolsa@kernel.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: lkml <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@kernel.org>,
	Namhyung Kim <namhyung@kernel.org>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Peter Zijlstra <a.p.zijlstra@chello.nl>,
	Michael Petlan <mpetlan@redhat.com>,
	Ravi Bangoria <ravi.bangoria@linux.ibm.com>,
	Andi Kleen <ak@linux.intel.com>, Kajol Jain <kjain@linux.ibm.com>,
	John Garry <john.garry@huawei.com>
Subject: [PATCH 5/5] perf expr: Make expr__parse return -1 on error
Date: Fri, 28 Feb 2020 10:36:16 +0100	[thread overview]
Message-ID: <20200228093616.67125-6-jolsa@kernel.org> (raw)
In-Reply-To: <20200228093616.67125-1-jolsa@kernel.org>

To match the error value of the expr__find_other function,
so all exported expr functions return the same values:
0 on success, -1 on error.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
 tools/perf/tests/expr.c | 4 ++--
 tools/perf/util/expr.c  | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/perf/tests/expr.c b/tools/perf/tests/expr.c
index 755d73c86c68..28313e59d6f6 100644
--- a/tools/perf/tests/expr.c
+++ b/tools/perf/tests/expr.c
@@ -45,11 +45,11 @@ int test__expr(struct test *t __maybe_unused, int subtest __maybe_unused)
 
 	p = "FOO/0";
 	ret = expr__parse(&val, &ctx, p);
-	TEST_ASSERT_VAL("division by zero", ret == 1);
+	TEST_ASSERT_VAL("division by zero", ret == -1);
 
 	p = "BAR/";
 	ret = expr__parse(&val, &ctx, p);
-	TEST_ASSERT_VAL("missing operand", ret == 1);
+	TEST_ASSERT_VAL("missing operand", ret == -1);
 
 	TEST_ASSERT_VAL("find other",
 			expr__find_other("FOO + BAR + BAZ + BOZO", "FOO", &other, &num_other) == 0);
diff --git a/tools/perf/util/expr.c b/tools/perf/util/expr.c
index 45b25530db5b..fd192ddf93c1 100644
--- a/tools/perf/util/expr.c
+++ b/tools/perf/util/expr.c
@@ -54,7 +54,7 @@ __expr__parse(double *val, struct parse_ctx *ctx, const char *expr,
 
 int expr__parse(double *final_val, struct parse_ctx *ctx, const char *expr)
 {
-	return __expr__parse(final_val, ctx, expr, EXPR_PARSE);
+	return __expr__parse(final_val, ctx, expr, EXPR_PARSE) ? -1 : 0;
 }
 
 static bool
-- 
2.24.1


  parent reply	other threads:[~2020-02-28  9:36 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-28  9:36 [PATCHv3 0/5] perf expr: Add flex scanner Jiri Olsa
2020-02-28  9:36 ` [PATCH 1/5] perf expr: Add expr.c object Jiri Olsa
2020-03-19 14:10   ` [tip: perf/core] " tip-bot2 for Jiri Olsa
2020-02-28  9:36 ` [PATCH 2/5] perf expr: Move expr lexer to flex Jiri Olsa
2020-03-19 14:10   ` [tip: perf/core] " tip-bot2 for Jiri Olsa
2020-02-28  9:36 ` [PATCH 3/5] perf expr: Increase EXPR_MAX_OTHER Jiri Olsa
2020-03-19 14:10   ` [tip: perf/core] perf expr: Increase EXPR_MAX_OTHER to support metrics with more than 15 variables tip-bot2 for Jiri Olsa
2020-02-28  9:36 ` [PATCH 4/5] perf expr: Straighten expr__parse/expr__find_other interface Jiri Olsa
2020-03-19 14:10   ` [tip: perf/core] perf expr: Straighten expr__parse()/expr__find_other() interface tip-bot2 for Jiri Olsa
2020-02-28  9:36 ` Jiri Olsa [this message]
2020-03-19 14:10   ` [tip: perf/core] perf expr: Make expr__parse() return -1 on error tip-bot2 for Jiri Olsa
2020-02-29 12:27 ` [PATCHv3 0/5] perf expr: Add flex scanner Andi Kleen
2020-03-09 13:39   ` Arnaldo Carvalho de Melo
  -- strict thread matches above, loose matches on Subject: below --
2020-02-24  8:29 [PATCHv2 " Jiri Olsa
2020-02-24  8:29 ` [PATCH 5/5] perf expr: Make expr__parse return -1 on error Jiri Olsa

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