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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: ef43aa3806 ("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>
This commit is contained in:
Wei Yongjun 2018-01-17 11:24:26 +00:00 committed by Mike Snitzer
parent dc94902bde
commit 3cc2e57c4b
1 changed files with 1 additions and 0 deletions
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1
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;
}