Commit 7785a9e4 authored by Damien Le Moal's avatar Damien Le Moal Committed by Mike Snitzer
Browse files

dm crypt: Initialize crypto wait structures 



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

Fixes: 39d13a1a ("dm crypt: reuse eboiv skcipher for IV generation")
Fixes: bbb16584 ("dm crypt: Implement Elephant diffuser for Bitlocker compatibility")
Cc: stable@vger.kernel.org
Signed-off-by: default avatarDamien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
parent c322ee93

drivers/md/dm-crypt.c

+2 −2
Original line number Diff line number Diff line
@@ -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);

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