From: Mikulas Patocka <mpatocka@redhat.com>
Date: Wed, 15 Feb 2017 17:06:19 +0000 (-0500)
Subject: dm stats: fix a leaked s->histogram_boundaries array
X-Git-Tag: v4.9.14~99
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=bad6c16b81b68d81e95ada246649dacc3cdd5e1d;p=users%2Fdwmw2%2Flinux.git

dm stats: fix a leaked s->histogram_boundaries array

commit 6085831883c25860264721df15f05bbded45e2a2 upstream.

Fixes: dfcfac3e4cd9 ("dm stats: collect and report histogram of IO latencies")
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c
index 38b05f23b96c0..0250e7e521abc 100644
--- a/drivers/md/dm-stats.c
+++ b/drivers/md/dm-stats.c
@@ -175,6 +175,7 @@ static void dm_stat_free(struct rcu_head *head)
 	int cpu;
 	struct dm_stat *s = container_of(head, struct dm_stat, rcu_head);
 
+	kfree(s->histogram_boundaries);
 	kfree(s->program_id);
 	kfree(s->aux_data);
 	for_each_possible_cpu(cpu) {