linux-kernel - [PATCH 5.4 116/129] dm crypt: Initialize crypto wait structures

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Message-Id: <20200908152235.654342705@linuxfoundation.org>
Date:   Tue,  8 Sep 2020 17:25:57 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Damien Le Moal <damien.lemoal@....com>,
        Mike Snitzer <snitzer@...hat.com>
Subject: [PATCH 5.4 116/129] dm crypt: Initialize crypto wait structures

From: Damien Le Moal <damien.lemoal@....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@...r.kernel.org
Signed-off-by: Damien Le Moal <damien.lemoal@....com>
Signed-off-by: Mike Snitzer <snitzer@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/md/dm-crypt.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -720,7 +720,7 @@ 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);