From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Tue, 22 Nov 2022 05:53:38 +0000 (+0800)
Subject: crypto: rsa-pkcs1pad - Use helper to set reqsize
X-Git-Tag: v6.1.61~1709
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9c8dab18f83001b38c9d3413b108d2dd5671d07f;p=platform%2Fkernel%2Flinux-starfive.git

crypto: rsa-pkcs1pad - Use helper to set reqsize

commit 5b11d1a360ea23c80c6d4ec3f5986a788d0a0995 upstream.

The value of reqsize must only be changed through the helper.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/crypto/rsa-pkcs1pad.c b/crypto/rsa-pkcs1pad.c
index 3237b50..1cf267b 100644
--- a/crypto/rsa-pkcs1pad.c
+++ b/crypto/rsa-pkcs1pad.c
@@ -575,6 +575,10 @@ static int pkcs1pad_init_tfm(struct crypto_akcipher *tfm)
 		return PTR_ERR(child_tfm);
 
 	ctx->child = child_tfm;
+
+	akcipher_set_reqsize(tfm, sizeof(struct pkcs1pad_request) +
+				  crypto_akcipher_reqsize(child_tfm));
+
 	return 0;
 }
 
@@ -670,7 +674,6 @@ static int pkcs1pad_create(struct crypto_template *tmpl, struct rtattr **tb)
 	inst->alg.set_pub_key = pkcs1pad_set_pub_key;
 	inst->alg.set_priv_key = pkcs1pad_set_priv_key;
 	inst->alg.max_size = pkcs1pad_get_max_size;
-	inst->alg.reqsize = sizeof(struct pkcs1pad_request) + rsa_alg->reqsize;
 
 	inst->free = pkcs1pad_free;