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author | Eric Biggers <ebiggers@google.com> | 2020-01-02 19:59:02 -0800 |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2020-01-09 11:30:56 +0800 |
commit | 3c426ba83b4c61a8421fcab2798a8642fa738569 (patch) | |
tree | 223b18af373a08a682b7e4f8b2c61f542a51e6fa /crypto/ecdh.c | |
parent | db8c3f5a80c863bb8d240fa3fab940f97b79bf26 (diff) | |
download | linux-crypto-3c426ba83b4c61a8421fcab2798a8642fa738569.tar.gz linux-crypto-3c426ba83b4c61a8421fcab2798a8642fa738569.zip |
crypto: cmac - use crypto_grab_cipher() and simplify error paths
Make the cmac template use the new function crypto_grab_cipher() to
initialize its cipher spawn.
This is needed to make all spawns be initialized in a consistent way.
This required making cmac_create() allocate the instance directly rather
than use shash_alloc_instance().
Also simplify the error handling by taking advantage of crypto_drop_*()
now accepting (as a no-op) spawns that haven't been initialized yet, and
by taking advantage of crypto_grab_*() now handling ERR_PTR() names.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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