dm: backfill missing calls to mutex_destroy()

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Mike Snitzer 2018-01-05 21:17:20 -05:00
parent ae1093be5a
commit d5ffebdd79
9 changed files with 27 additions and 2 deletions

View File

@ -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);
}

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@ -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);
}

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@ -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);
}

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@ -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);
}

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@ -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,

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@ -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);

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@ -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);
}
/*

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@ -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);
}

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@ -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);
}