From 3cc2e57c4beabcbbaa46e1ac6d77ca8276a4a42d Mon Sep 17 00:00:00 2001
From: Wei Yongjun <weiyongjun1@huawei.com>
Date: Wed, 17 Jan 2018 11:24:26 +0000
Subject: [PATCH] dm crypt: fix error return code in crypt_ctr()
Git-commit: 3cc2e57c4beabcbbaa46e1ac6d77ca8276a4a42d
Patch-mainline: v4.15-rc9
References: bsc#1093023
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)")
Cc: stable@vger.kernel.org # 4.12+
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Coly Li <colyli@suse.de>
---
drivers/md/dm-crypt.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 971241409c30..554d60394c06 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -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);
if (!cc->tag_pool) {
ti->error = "Cannot allocate integrity tags mempool";
+ ret = -ENOMEM;
goto bad;
}
--
2.16.3