[tip:perf/core] perf values: Fix allocation check

[tip-bot for Jiri Olsa]

Commit-ID:  f4ef3b7c184c4c269f953f226f7158347d007622
Gitweb:     http://git.kernel.org/tip/f4ef3b7c184c4c269f953f226f7158347d007622
Author:     Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Thu, 24 Aug 2017 18:27:34 +0200
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Mon, 28 Aug 2017 16:44:43 -0300

perf values: Fix allocation check

Bailing out in case the allocation failed, not the other way round.

Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Andi Kleen <andi@xxxxxxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/20170824162737.7813-8-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/util/values.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/values.c b/tools/perf/util/values.c
index 9ac36bf..2c4af02 100644
--- a/tools/perf/util/values.c
+++ b/tools/perf/util/values.c
@@ -131,7 +131,7 @@ static int perf_read_values__enlarge_counters(struct perf_read_values *values)
 	for (i = 0; i < values->threads; i++) {
 		u64 *value = realloc(values->value[i], counters_max * sizeof(**values->value));
 
-		if (value) {
+		if (!value) {
 			pr_debug("failed to enlarge read_values ->values array");
 			goto out_free_name;
 		}