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| author |   Eric Biggers <ebiggers@google.com> | 2020-01-02 19:59:02 -0800 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2020-01-09 11:30:56 +0800 |
| commit | 1d0459cd83f5426d668ec3304a35f9dbeee6296b (patch) | |
| tree | bf540c12846b8f7bd3b3ab4195c189008aba9261 /crypto/vmac.c | |
| parent | crypto: cbcmac - use crypto_grab_cipher() and simplify error paths (diff) | |
| download | linux-dev-1d0459cd83f5426d668ec3304a35f9dbeee6296b.tar.xz linux-dev-1d0459cd83f5426d668ec3304a35f9dbeee6296b.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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