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

Fixes: 39d13a1ac41d ("dm crypt: reuse eboiv skcipher for IV generation")
Fixes: bbb1658461ac ("dm crypt: Implement Elephant diffuser for Bitlocker 
compatibility")
Cc: [email protected]
Signed-off-by: Damien Le Moal <[email protected]>
---
 drivers/md/dm-crypt.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 238cd80826a6..380386c36921 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -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);
-- 
2.26.2

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