fscrypt: constify struct fscrypt_hkdf parameter to fscrypt_hkdf_expand()
authorEric Biggers <ebiggers@google.com>
Mon, 9 Dec 2019 20:40:54 +0000 (12:40 -0800)
committerEric Biggers <ebiggers@google.com>
Tue, 31 Dec 2019 16:33:50 +0000 (10:33 -0600)
commit2a5831b1d29754c216ad3b06a018c29e74d4ad10
tree759003c388da5f10d3fcdee4bef034683301f51c
parentc64cfb989f008eed2622e822e90f2fcabd49d605
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>
fs/crypto/fscrypt_private.h
fs/crypto/hkdf.c