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dm: Use kzalloc for all structs with embedded biosets/mempools

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mempool_init()/bioset_init() require that the mempools/biosets be zeroed
first; they probably should not _require_ this, but not allocating those
structs with kzalloc is a fairly nonsensical thing to do (calling
mempool_exit()/bioset_exit() on an uninitialized mempool/bioset is legal
and safe, but only works if said memory was zeroed.)

Acked-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Kent Overstreet
2018-06-05 05:26:33 -04:00
committed by Jens Axboe
parent 0196d6b408
commit d377535405
7 changed files with 7 additions and 7 deletions
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2
drivers/md/dm-thin.c
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@@ -2861,7 +2861,7 @@ static struct pool *pool_create(struct mapped_device *pool_md,
return (struct pool *)pmd;
}
pool = kmalloc(sizeof(*pool), GFP_KERNEL);
pool = kzalloc(sizeof(*pool), GFP_KERNEL);
if (!pool) {
*error = "Error allocating memory for pool";
err_p = ERR_PTR(-ENOMEM);