From d5ffebdd797a7c1c89576267640f671db2a668fc Mon Sep 17 00:00:00 2001
From: Mike Snitzer <snitzer@redhat.com>
Date: Fri, 5 Jan 2018 21:17:20 -0500
Subject: dm: backfill missing calls to mutex_destroy()

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
---
 drivers/md/dm-crypt.c          | 2 ++
 drivers/md/dm-delay.c          | 2 ++
 drivers/md/dm-kcopyd.c         | 6 ++++--
 drivers/md/dm-mpath.c          | 1 +
 drivers/md/dm-stats.c          | 1 +
 drivers/md/dm-thin.c           | 7 +++++++
 drivers/md/dm-zoned-metadata.c | 3 +++
 drivers/md/dm-zoned-target.c   | 3 +++
 drivers/md/dm.c                | 4 ++++
 9 files changed, 27 insertions(+), 2 deletions(-)

(limited to 'drivers/md')

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 9c53367d2f3e..09f4ff39269b 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -2192,6 +2192,8 @@ static void crypt_dtr(struct dm_target *ti)
 	kzfree(cc->cipher_auth);
 	kzfree(cc->authenc_key);
 
+	mutex_destroy(&cc->bio_alloc_lock);
+
 	/* Must zero key material before freeing */
 	kzfree(cc);
 }
diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c
index 288386bfbfb5..1783d80c9cad 100644
--- a/drivers/md/dm-delay.c
+++ b/drivers/md/dm-delay.c
@@ -229,6 +229,8 @@ static void delay_dtr(struct dm_target *ti)
 	if (dc->dev_write)
 		dm_put_device(ti, dc->dev_write);
 
+	mutex_destroy(&dc->timer_lock);
+
 	kfree(dc);
 }
 
diff --git a/drivers/md/dm-kcopyd.c b/drivers/md/dm-kcopyd.c
index eb45cc3df31d..e6e7c686646d 100644
--- a/drivers/md/dm-kcopyd.c
+++ b/drivers/md/dm-kcopyd.c
@@ -477,8 +477,10 @@ static int run_complete_job(struct kcopyd_job *job)
 	 * If this is the master job, the sub jobs have already
 	 * completed so we can free everything.
 	 */
-	if (job->master_job == job)
+	if (job->master_job == job) {
+		mutex_destroy(&job->lock);
 		mempool_free(job, kc->job_pool);
+	}
 	fn(read_err, write_err, context);
 
 	if (atomic_dec_and_test(&kc->nr_jobs))
@@ -750,6 +752,7 @@ int dm_kcopyd_copy(struct dm_kcopyd_client *kc, struct dm_io_region *from,
 	 * followed by SPLIT_COUNT sub jobs.
 	 */
 	job = mempool_alloc(kc->job_pool, GFP_NOIO);
+	mutex_init(&job->lock);
 
 	/*
 	 * set up for the read.
@@ -811,7 +814,6 @@ int dm_kcopyd_copy(struct dm_kcopyd_client *kc, struct dm_io_region *from,
 	if (job->source.count <= SUB_JOB_SIZE)
 		dispatch_job(job);
 	else {
-		mutex_init(&job->lock);
 		job->progress = 0;
 		split_job(job);
 	}
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 6d1a9906c582..be581765edd1 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -248,6 +248,7 @@ static void free_multipath(struct multipath *m)
 
 	kfree(m->hw_handler_name);
 	kfree(m->hw_handler_params);
+	mutex_destroy(&m->work_mutex);
 	kfree(m);
 }
 
diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c
index 29bc51084c82..56059fb56e2d 100644
--- a/drivers/md/dm-stats.c
+++ b/drivers/md/dm-stats.c
@@ -228,6 +228,7 @@ void dm_stats_cleanup(struct dm_stats *stats)
 		dm_stat_free(&s->rcu_head);
 	}
 	free_percpu(stats->last);
+	mutex_destroy(&stats->mutex);
 }
 
 static int dm_stats_create(struct dm_stats *stats, sector_t start, sector_t end,
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index f91d771fff4b..c1c6160be355 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -492,6 +492,11 @@ static void pool_table_init(void)
 	INIT_LIST_HEAD(&dm_thin_pool_table.pools);
 }
 
+static void pool_table_exit(void)
+{
+	mutex_destroy(&dm_thin_pool_table.mutex);
+}
+
 static void __pool_table_insert(struct pool *pool)
 {
 	BUG_ON(!mutex_is_locked(&dm_thin_pool_table.mutex));
@@ -4387,6 +4392,8 @@ static void dm_thin_exit(void)
 	dm_unregister_target(&pool_target);
 
 	kmem_cache_destroy(_new_mapping_cache);
+
+	pool_table_exit();
 }
 
 module_init(dm_thin_init);
diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c
index 70485de37b66..969954915566 100644
--- a/drivers/md/dm-zoned-metadata.c
+++ b/drivers/md/dm-zoned-metadata.c
@@ -2333,6 +2333,9 @@ static void dmz_cleanup_metadata(struct dmz_metadata *zmd)
 
 	/* Free the zone descriptors */
 	dmz_drop_zones(zmd);
+
+	mutex_destroy(&zmd->mblk_flush_lock);
+	mutex_destroy(&zmd->map_lock);
 }
 
 /*
diff --git a/drivers/md/dm-zoned-target.c b/drivers/md/dm-zoned-target.c
index 6d7bda6f8190..caff02caf083 100644
--- a/drivers/md/dm-zoned-target.c
+++ b/drivers/md/dm-zoned-target.c
@@ -827,6 +827,7 @@ err_fwq:
 err_cwq:
 	destroy_workqueue(dmz->chunk_wq);
 err_bio:
+	mutex_destroy(&dmz->chunk_lock);
 	bioset_free(dmz->bio_set);
 err_meta:
 	dmz_dtr_metadata(dmz->metadata);
@@ -861,6 +862,8 @@ static void dmz_dtr(struct dm_target *ti)
 
 	dmz_put_zoned_device(ti);
 
+	mutex_destroy(&dmz->chunk_lock);
+
 	kfree(dmz);
 }
 
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 73d7f316ac1d..67bf11610e4d 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1789,6 +1789,10 @@ static void cleanup_mapped_device(struct mapped_device *md)
 		md->bdev = NULL;
 	}
 
+	mutex_destroy(&md->suspend_lock);
+	mutex_destroy(&md->type_lock);
+	mutex_destroy(&md->table_devices_lock);
+
 	dm_mq_cleanup_mapped_device(md);
 }
 
-- 
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