linux-kernel - [PATCH] crypto: move from strlcpy with unused retval to strscpy

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Date:   Thu, 18 Aug 2022 22:59:54 +0200
From:   Wolfram Sang <wsa+renesas@...g-engineering.com>
To:     linux-kernel@...r.kernel.org
Cc:     Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        linux-crypto@...r.kernel.org
Subject: [PATCH] crypto: move from strlcpy with unused retval to strscpy

Follow the advice of the below link and prefer 'strscpy' in this
subsystem. Conversion is 1:1 because the return value is not used.
Generated by a coccinelle script.

Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
---
 crypto/api.c   | 2 +-
 crypto/essiv.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/crypto/api.c b/crypto/api.c
index 69508ae9345e..a2b79d517a06 100644
--- a/crypto/api.c
+++ b/crypto/api.c
@@ -114,7 +114,7 @@ struct crypto_larval *crypto_larval_alloc(const char *name, u32 type, u32 mask)
 	larval->alg.cra_priority = -1;
 	larval->alg.cra_destroy = crypto_larval_destroy;
 
-	strlcpy(larval->alg.cra_name, name, CRYPTO_MAX_ALG_NAME);
+	strscpy(larval->alg.cra_name, name, CRYPTO_MAX_ALG_NAME);
 	init_completion(&larval->completion);
 
 	return larval;
diff --git a/crypto/essiv.c b/crypto/essiv.c
index 8bcc5bdcb2a9..e33369df9034 100644
--- a/crypto/essiv.c
+++ b/crypto/essiv.c
@@ -543,7 +543,7 @@ static int essiv_create(struct crypto_template *tmpl, struct rtattr **tb)
 	}
 
 	/* record the driver name so we can instantiate this exact algo later */
-	strlcpy(ictx->shash_driver_name, hash_alg->base.cra_driver_name,
+	strscpy(ictx->shash_driver_name, hash_alg->base.cra_driver_name,
 		CRYPTO_MAX_ALG_NAME);
 
 	/* Instance fields */
-- 
2.35.1