netdev - linux-next: build failure after merge of the crypto tree

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Message-ID: <20231030155809.6b47288c@canb.auug.org.au>
Date: Mon, 30 Oct 2023 15:58:09 +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: linux-next: build failure after merge of the crypto tree

Hi all,

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 | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/net/ipv4/tcp_ao.c b/net/ipv4/tcp_ao.c
index 6a845e906a1d..d18562bb3184 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);
 
-- 
2.40.1

-- 
Cheers,
Stephen Rothwell

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