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crypto: shash - convert shash_free_instance() to new style

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Convert shash_free_instance() and its users to the new way of freeing
instances, where a ->free() method is installed to the instance struct
itself.  This replaces the weakly-typed method crypto_template::free().

This will allow removing support for the old way of freeing instances.

Also give shash_free_instance() a more descriptive name to reflect that
it's only for instances with a single spawn, not for any instance.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Eric Biggers
2020-01-02 20:04:38 -08:00
committed by Herbert Xu
parent 758ec5ac5b
commit a39c66cc2f
7 changed files with 20 additions and 15 deletions
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5
crypto/xcbc.c
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@@ -239,10 +239,12 @@ static int xcbc_create(struct crypto_template *tmpl, struct rtattr **tb)
inst->alg.final = crypto_xcbc_digest_final;
inst->alg.setkey = crypto_xcbc_digest_setkey;
inst->free = shash_free_singlespawn_instance;
err = shash_register_instance(tmpl, inst);
if (err) {
err_free_inst:
shash_free_instance(shash_crypto_instance(inst));
shash_free_singlespawn_instance(inst);
}
return err;
}
@@ -250,7 +252,6 @@ err_free_inst:
static struct crypto_template crypto_xcbc_tmpl = {
.name = "xcbc",
.create = xcbc_create,
.free = shash_free_instance,
.module = THIS_MODULE,
};