Eric Biggers 2a5831b1d2 fscrypt: constify struct fscrypt_hkdf parameter to fscrypt_hkdf_expand() ...

Constify the struct fscrypt_hkdf parameter to fscrypt_hkdf_expand().
This makes it clearer that struct fscrypt_hkdf contains the key only,
not any per-request state.

Link: https://lore.kernel.org/r/20191209204054.227736-1-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>

2019-12-31 10:33:50 -06:00

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