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Subject[PATCH 4.14 75/89] dm crypt: fix error return code in crypt_ctr()
Date
4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Wei Yongjun <weiyongjun1@huawei.com>

commit 3cc2e57c4beabcbbaa46e1ac6d77ca8276a4a42d upstream.

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: ef43aa38063a6 ("dm crypt: add cryptographic data integrity protection (authenticated encryption)")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/md/dm-crypt.c | 1 +
1 file changed, 1 insertion(+)

--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -2746,6 +2746,7 @@ static int crypt_ctr(struct dm_target *t
cc->tag_pool_max_sectors * cc->on_disk_tag_size);
if (!cc->tag_pool) {
ti->error = "Cannot allocate integrity tags mempool";
+ ret = -ENOMEM;
goto bad;
}


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