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07b24c7c08
Simplify the error handling in pcrypt_create_aead() by taking advantage of crypto_grab_aead() now handling an ERR_PTR() name and by taking advantage of crypto_drop_aead() now accepting (as a no-op) a spawn that hasn't been grabbed yet. This required also making padata_free_shell() accept a NULL argument. Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>