Commit 3cc2e57c authored Jan 17, 2018 by Wei Yongjun Committed by Mike Snitzer Jan 17, 2018

dm crypt: fix error return code in crypt_ctr()

Fix to return error code -ENOMEM from the mempool_create_kmalloc_pool()
error handling case instead of 0, as done elsewhere in this function.

Fixes: ef43aa38 ("dm crypt: add cryptographic data integrity protection (authenticated encryption)")
Cc: stable@vger.kernel.org # 4.12+
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

parent dc94902b

drivers/md/dm-crypt.c

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -2746,6 +2746,7 @@ static int crypt_ctr(struct dm_target ti, unsigned int argc, char *argv)
	cc->tag_pool_max_sectors * cc->on_disk_tag_size);		cc->tag_pool_max_sectors * cc->on_disk_tag_size);
	if (!cc->tag_pool) {		if (!cc->tag_pool) {
	ti->error = "Cannot allocate integrity tags mempool";		ti->error = "Cannot allocate integrity tags mempool";
			ret = -ENOMEM;
	goto bad;		goto bad;
	}		}