dm stats: fix a leaked s->histogram_boundaries array

BugLink: http://bugs.launchpad.net/bugs/1672544
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>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c
index 38b05f23b96c0be81fb3d53905d093b5c33919fc..0250e7e521abcbae456b0552e774d47f507f3dc3 100644 (file)
--- 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) {