From: Thorsten Blum <thorsten.blum@linux.dev>
Date: Mon, 7 Apr 2025 08:22:47 +0000 (+0200)
Subject: crypto: x509 - Replace kmalloc() + NUL-termination with kzalloc()
X-Git-Tag: v6.16-rc1~206^2~306
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b93336cd767fc266dcccfa034a1fb32ae1a23564;p=thirdparty%2Fkernel%2Flinux.git

crypto: x509 - Replace kmalloc() + NUL-termination with kzalloc()

Use kzalloc() to zero out the one-element array instead of using
kmalloc() followed by a manual NUL-termination.

No functional changes intended.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Reviewed-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c
index ee2fdab42334f..2ffe4ae90bea0 100644
--- a/crypto/asymmetric_keys/x509_cert_parser.c
+++ b/crypto/asymmetric_keys/x509_cert_parser.c
@@ -372,10 +372,9 @@ static int x509_fabricate_name(struct x509_parse_context *ctx, size_t hdrlen,
 
 	/* Empty name string if no material */
 	if (!ctx->cn_size && !ctx->o_size && !ctx->email_size) {
-		buffer = kmalloc(1, GFP_KERNEL);
+		buffer = kzalloc(1, GFP_KERNEL);
 		if (!buffer)
 			return -ENOMEM;
-		buffer[0] = 0;
 		goto done;
 	}