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perf tools: Fix checking asprintf return value

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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>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Cody P Schafer <dev@codyps.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Jeremie Galarneau <jeremie.galarneau@efficios.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kirill Smelkov <kirr@nexedi.com>
Cc: Li Zefan <lizefan@huawei.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Zefan Li <lizefan@huawei.com>
Cc: pi3orama@163.com
Cc: stable@vger.kernel.org # v4.4+
Fixes: ffeb883e56 ("perf tools: Show proper error message for wrong terms of hw/sw events")
Link: http://lkml.kernel.org/r/1455882283-79592-5-git-send-email-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Wang Nan 2016-02-19 11:43:52 +00:00 committed by Arnaldo Carvalho de Melo
parent 80cdce7666
commit 26dee028d3
1 changed files with 3 additions and 3 deletions
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6
tools/perf/util/parse-events.c
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@ -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;