From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Thu, 9 Jul 2020 12:44:04 +0000 (+1000)
Subject: crypto: ccp - Silence strncpy warning
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=2c2e18369f62da8217be0fbca3b94160da75cba3;p=linux.git

crypto: ccp - Silence strncpy warning

This patch kills an strncpy by using strscpy instead.  The name
would be silently truncated if it is too long.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: John Allen <john.allen@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/drivers/crypto/ccp/ccp-crypto-sha.c b/drivers/crypto/ccp/ccp-crypto-sha.c
index b0cc2bd73af80..2bc29736fa45e 100644
--- a/drivers/crypto/ccp/ccp-crypto-sha.c
+++ b/drivers/crypto/ccp/ccp-crypto-sha.c
@@ -19,6 +19,7 @@
 #include <crypto/internal/hash.h>
 #include <crypto/sha.h>
 #include <crypto/scatterwalk.h>
+#include <linux/string.h>
 
 #include "ccp-crypto.h"
 
@@ -424,7 +425,7 @@ static int ccp_register_hmac_alg(struct list_head *head,
 	*ccp_alg = *base_alg;
 	INIT_LIST_HEAD(&ccp_alg->entry);
 
-	strncpy(ccp_alg->child_alg, def->name, CRYPTO_MAX_ALG_NAME);
+	strscpy(ccp_alg->child_alg, def->name, CRYPTO_MAX_ALG_NAME);
 
 	alg = &ccp_alg->alg;
 	alg->setkey = ccp_sha_setkey;