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dm crypt: Initialize crypto wait structures

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Use the DECLARE_CRYPTO_WAIT() macro to properly initialize the crypto
wait structures declared on stack before their use with
crypto_wait_req().

Fixes: 39d13a1ac4 ("dm crypt: reuse eboiv skcipher for IV generation")
Fixes: bbb1658461 ("dm crypt: Implement Elephant diffuser for Bitlocker compatibility")
Cc: stable@vger.kernel.org
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
This commit is contained in:
Damien Le Moal 2020-08-31 14:55:55 +09:00 committed by Mike Snitzer
parent c322ee9320
commit 7785a9e4c2
1 changed files with 2 additions and 2 deletions
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4
drivers/md/dm-crypt.c
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@ -739,7 +739,7 @@ static int crypt_iv_eboiv_gen(struct crypt_config *cc, u8 *iv,
u8 buf[MAX_CIPHER_BLOCKSIZE] __aligned(__alignof__(__le64));
struct skcipher_request *req;
struct scatterlist src, dst;
struct crypto_wait wait;
DECLARE_CRYPTO_WAIT(wait);
int err;
req = skcipher_request_alloc(any_tfm(cc), GFP_NOIO);
@ -936,7 +936,7 @@ static int crypt_iv_elephant(struct crypt_config *cc, struct dm_crypt_request *d
u8 *es, *ks, *data, *data2, *data_offset;
struct skcipher_request *req;
struct scatterlist *sg, *sg2, src, dst;
struct crypto_wait wait;
DECLARE_CRYPTO_WAIT(wait);
int i, r;
req = skcipher_request_alloc(elephant->tfm, GFP_NOIO);