Subject: [PATCH 09/16] perf: missed a map__put() in error case

From: Changbin Du <[email-masked]>
Date: Sat, 16 Mar 2019 16:05:49 +0800

We need to map__put() before returning from failure of
sample__resolve_callchain().

Signed-off-by: Changbin Du <[email-masked]>
---
 tools/perf/util/hist.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index f9eb95bf3938..ae74b82f51ea 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -1062,8 +1062,10 @@ int hist_entry_iter__add(struct hist_entry_iter *iter, struct addr_location *al,
 
 	err = sample__resolve_callchain(iter->sample, &callchain_cursor, &iter->parent,
 					iter->evsel, al, max_stack_depth);
-	if (err)
+	if (err) {
+		map__put(alm);
 		return err;
+	}
 
 	err = iter->ops->prepare_entry(iter, al);
 	if (err)
-- 
2.19.1