linux-kernel - [PATCH] s390/zcrypt: use kzalloc instead of kmalloc/memset

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Message-Id: <20240925103036.1062542-1-roheetchavan@gmail.com>
Date: Wed, 25 Sep 2024 16:00:36 +0530
From: Rohit Chavan <roheetchavan@...il.com>
To: Harald Freudenberger <freude@...ux.ibm.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Vasily Gorbik <gor@...ux.ibm.com>,
	Christian Borntraeger <borntraeger@...ibm.com>,
	linux-s390@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Rohit Chavan <roheetchavan@...il.com>
Subject: [PATCH] s390/zcrypt: use kzalloc instead of kmalloc/memset

This patch addresses below issue,
WARNING: kzalloc should be used for cprb, instead of kmalloc/memset

Signed-off-by: Rohit Chavan <roheetchavan@...il.com>
---
 drivers/s390/crypto/zcrypt_ep11misc.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/s390/crypto/zcrypt_ep11misc.c b/drivers/s390/crypto/zcrypt_ep11misc.c
index 004ce022fc78..3c3d403abe92 100644
--- a/drivers/s390/crypto/zcrypt_ep11misc.c
+++ b/drivers/s390/crypto/zcrypt_ep11misc.c
@@ -195,11 +195,10 @@ static inline struct ep11_cprb *alloc_cprb(size_t payload_len)
 	size_t len = sizeof(struct ep11_cprb) + payload_len;
 	struct ep11_cprb *cprb;
 
-	cprb = kmalloc(len, GFP_KERNEL);
+	cprb = kzalloc(len, GFP_KERNEL);
 	if (!cprb)
 		return NULL;
 
-	memset(cprb, 0, len);
 	cprb->cprb_len = sizeof(struct ep11_cprb);
 	cprb->cprb_ver_id = 0x04;
 	memcpy(cprb->func_id, "T4", 2);
-- 
2.34.1