4.5-stable review patch. If anyone has any objections, please let me know.
------------------
From: Wang Nan <wangnan0@xxxxxxxxxx>
commit 26dee028d365fbc0e3326606a8520260b4462381 upstream.
According to man pages, asprintf returns -1 when failure. This patch
fixes two incorrect return value checker.
Signed-off-by: Wang Nan <wangnan0@xxxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Alexei Starovoitov <ast@xxxxxxxxxx>
Cc: Brendan Gregg <brendan.d.gregg@xxxxxxxxx>
Cc: Cody P Schafer <dev@xxxxxxxxxx>
Cc: He Kuang <hekuang@xxxxxxxxxx>
Cc: Jeremie Galarneau <jeremie.galarneau@xxxxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Kirill Smelkov <kirr@xxxxxxxxxx>
Cc: Li Zefan <lizefan@xxxxxxxxxx>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Zefan Li <lizefan@xxxxxxxxxx>
Cc: pi3orama@xxxxxxx
Fixes: ffeb883e5662 ("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@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
tools/perf/util/parse-events.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -2101,11 +2101,11 @@ char *parse_events_formats_error_string(
/* 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;
--
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