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Message-ID: <20231030160953.28f2df61@canb.auug.org.au>
Date:   Mon, 30 Oct 2023 16:09:53 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Herbert Xu <herbert@...dor.apana.org.au>,
        David Miller <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
Cc:     Networking <netdev@...r.kernel.org>,
        Linux Crypto List <linux-crypto@...r.kernel.org>,
        Dmitry Safonov <0x7f454c46@...il.com>,
        Dmitry Safonov <dima@...sta.com>,
        Francesco Ruggeri <fruggeri@...sta.com>,
        Salam Noureddine <noureddine@...sta.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the crypto tree

Hi all,

On Mon, 30 Oct 2023 15:58:09 +1100 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>
> After merging the crypto tree, today's linux-next build (powerpc
> allyesconfig) failed like this:
> 
> net/ipv4/tcp_ao.c: In function 'tcp_ao_key_alloc':
> net/ipv4/tcp_ao.c:1536:13: error: implicit declaration of function 'crypto_ahash_alignmask'; did you mean 'crypto_ahash_alg_name'? [-Werror=implicit-function-declaration]
>  1536 |         if (crypto_ahash_alignmask(tfm) > TCP_AO_KEY_ALIGN) {
>       |             ^~~~~~~~~~~~~~~~~~~~~~
>       |             crypto_ahash_alg_name
> 
> Caused by commit
> 
>   0f8660c82b79 ("crypto: ahash - remove crypto_ahash_alignmask")
> 
> interacting with commit
> 
>   4954f17ddefc ("net/tcp: Introduce TCP_AO setsockopt()s")
> 
> from the net-next tree.
> 
> I have applied the following merge resolution patch for today:

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Mon, 30 Oct 2023 15:54:37 +1100
Subject: [PATCH] fix up for "crypto: ahash - remove crypto_ahash_alignmask"

interacting with "net/tcp: Introduce TCP_AO setsockopt()s"

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 net/ipv4/tcp_ao.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/net/ipv4/tcp_ao.c b/net/ipv4/tcp_ao.c
index 6a845e906a1d..ef5472ed6158 100644
--- a/net/ipv4/tcp_ao.c
+++ b/net/ipv4/tcp_ao.c
@@ -1533,10 +1533,6 @@ static struct tcp_ao_key *tcp_ao_key_alloc(struct sock *sk,
 		goto err_free_pool;
 
 	tfm = crypto_ahash_reqtfm(hp.req);
-	if (crypto_ahash_alignmask(tfm) > TCP_AO_KEY_ALIGN) {
-		err = -EOPNOTSUPP;
-		goto err_pool_end;
-	}
 	digest_size = crypto_ahash_digestsize(tfm);
 	tcp_sigpool_end(&hp);
 
@@ -1551,8 +1547,6 @@ static struct tcp_ao_key *tcp_ao_key_alloc(struct sock *sk,
 	key->digest_size = digest_size;
 	return key;
 
-err_pool_end:
-	tcp_sigpool_end(&hp);
 err_free_pool:
 	tcp_sigpool_release(pool_id);
 	return ERR_PTR(err);
-- 
2.40.1

-- 
Cheers,
Stephen Rothwell

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