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dm crypt: fix error return code in crypt_ctr()

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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>
This commit is contained in:
Wei Yongjun 2018-01-17 11:24:26 +00:00 committed by Greg Kroah-Hartman
parent 82e12f1b26
commit f05431489f
1 changed files with 1 additions and 0 deletions
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drivers/md/dm-crypt.c
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@ -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;
}