[PATCH 04/55] perf tools: Fix checking asprintf return value

From	Wang Nan <wangnan0@huawei.com>
Newsgroups	linux.kernel
Subject	[PATCH 04/55] perf tools: Fix checking asprintf return value
Date	2016-02-19 13:10 +0100
Message-ID	<r3S2L-4Vi-43@gated-at.bofh.it> (permalink)
References	<r3RJo-4w0-7@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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According to man pages, asprintf returns -1 when failure. This patch
fixes two incorrect return value checker.

Signed-off-by: Wang Nan <wangnan0@huawei.com>
Fixes: ffeb883e5662 ("perf tools: Show proper error message for wrong terms of hw/sw events")
Cc: He Kuang <hekuang@huawei.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Zefan Li <lizefan@huawei.com>
Cc: pi3orama@163.com
---
 tools/perf/util/parse-events.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index e5583fd..72524c7 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -2110,11 +2110,11 @@ char *parse_events_formats_error_string(char *additional_terms)
 
 	/* valid terms */
 	if (additional_terms) {
-		if (!asprintf(&str, "valid terms: %s,%s",
-			      additional_terms, static_terms))
+		if (asprintf(&str, "valid terms: %s,%s",
+			     additional_terms, static_terms) < 0)
 			goto fail;
 	} else {
-		if (!asprintf(&str, "valid terms: %s", static_terms))
+		if (asprintf(&str, "valid terms: %s", static_terms) < 0)
 			goto fail;
 	}
 	return str;
-- 
1.8.3.4

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[PATCH 04/55] perf tools: Fix checking asprintf return value Wang Nan <wangnan0@huawei.com> - 2016-02-19 13:10 +0100
  [tip:perf/core] perf tools: Fix checking asprintf return value tip-bot for Wang Nan <tipbot@zytor.com> - 2016-02-20 12:40 +0100

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