From: Wang Nan <wangnan0@xxxxxxxxxx> 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 Cc: stable@xxxxxxxxxxxxxxx # v4.4+ 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> --- 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 e5583fd4e7bd..72524c755b11 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; -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html