From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Sat, 12 Apr 2025 10:47:45 +0000 (+0800)
Subject: crypto: hmac - Make descsize an algorithm attribute
X-Git-Tag: block-6.16-20250606~34^2~264
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=aeffd9093820c16e10f61d1c894c16d435b82975;p=linux-block.git

crypto: hmac - Make descsize an algorithm attribute

Rather than setting descsize in init_tfm, make it an algorithm
attribute and set it during instance construction.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/crypto/hmac.c b/crypto/hmac.c
index 7cec25ff9889..dfb153511865 100644
--- a/crypto/hmac.c
+++ b/crypto/hmac.c
@@ -146,9 +146,6 @@ static int hmac_init_tfm(struct crypto_shash *parent)
 	if (IS_ERR(hash))
 		return PTR_ERR(hash);
 
-	parent->descsize = sizeof(struct shash_desc) +
-			   crypto_shash_descsize(hash);
-
 	tctx->hash = hash;
 	return 0;
 }
@@ -222,6 +219,7 @@ static int hmac_create(struct crypto_template *tmpl, struct rtattr **tb)
 
 	inst->alg.digestsize = ds;
 	inst->alg.statesize = ss;
+	inst->alg.descsize = sizeof(struct shash_desc) + salg->descsize;
 	inst->alg.init = hmac_init;
 	inst->alg.update = hmac_update;
 	inst->alg.final = hmac_final;