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crypto: remove obsolete 'comp' compression API

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The 'comp' compression API has been superseded by the acomp API, which
is a bit more cumbersome to use, but ultimately more flexible when it
comes to hardware implementations.

Now that all the users and implementations have been removed, let's
remove the core plumbing of the 'comp' API as well.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Ard Biesheuvel
2025-03-16 09:21:27 +08:00
committed by Herbert Xu
parent be457e4e8d
commit fce8b8d598
8 changed files with 14 additions and 271 deletions
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16
crypto/crypto_user.c
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@@ -84,17 +84,6 @@ static int crypto_report_cipher(struct sk_buff *skb, struct crypto_alg *alg)
sizeof(rcipher), &rcipher);
}
static int crypto_report_comp(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_comp rcomp;
memset(&rcomp, 0, sizeof(rcomp));
strscpy(rcomp.type, "compression", sizeof(rcomp.type));
return nla_put(skb, CRYPTOCFGA_REPORT_COMPRESS, sizeof(rcomp), &rcomp);
}
static int crypto_report_one(struct crypto_alg *alg,
struct crypto_user_alg *ualg, struct sk_buff *skb)
{
@@ -135,11 +124,6 @@ static int crypto_report_one(struct crypto_alg *alg,
if (crypto_report_cipher(skb, alg))
goto nla_put_failure;
break;
case CRYPTO_ALG_TYPE_COMPRESS:
if (crypto_report_comp(skb, alg))
goto nla_put_failure;
break;
}