dm crypt: fix kcryptd_async_done parameter

In the async encryption-complete function (kcryptd_async_done), the
crypto_async_request passed in may be different from the one passed to
crypto_ablkcipher_encrypt/decrypt.  Only crypto_async_request->data is
guaranteed to be same as the one passed in.  The current
kcryptd_async_done uses the passed-in crypto_async_request directly
which may cause the AES-NI-based AES algorithm implementation to panic.

This patch fixes this bug by only using crypto_async_request->data,
which points to dm_crypt_request, the crypto_async_request passed in.
The original data (convert_context) is gotten from dm_crypt_request.

[[email protected]: reworked]
Cc: [email protected]
Signed-off-by: Huang Ying <[email protected]>
Cc: Herbert Xu <[email protected]>
Signed-off-by: Milan Broz <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Alasdair G Kergon <[email protected]>

0 files changed, 0 insertions, 0 deletions