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Subject[PATCH 5.8 168/186] dm crypt: Initialize crypto wait structures
Date
From: Damien Le Moal <damien.lemoal@wdc.com>

commit 7785a9e4c228db6d01086a52d5685cd7336a08b7 upstream.

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: stable@vger.kernel.org
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/md/dm-crypt.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -736,7 +736,7 @@ static int crypt_iv_eboiv_gen(struct cry
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);
@@ -933,7 +933,7 @@ static int crypt_iv_elephant(struct cryp
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);

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