[PATCH 4/6] crypto: af_alg - use sock_kzalloc in alloc_result + accept_parent_nokey

[Thorsten Blum]

Replace sock_kmalloc() followed by memset(0) with sock_kzalloc() to
simplify hash_alloc_result() and hash_accept_parent_nokey().

Signed-off-by: Thorsten Blum <thorsten.blum@xxxxxxxxx>
---
 crypto/algif_hash.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c
index 4d3dfc60a16a..02c0e448390d 100644
--- a/crypto/algif_hash.c
+++ b/crypto/algif_hash.c
@@ -38,12 +38,10 @@ static int hash_alloc_result(struct sock *sk, struct hash_ctx *ctx)
 
 	ds = crypto_ahash_digestsize(crypto_ahash_reqtfm(&ctx->req));
 
-	ctx->result = sock_kmalloc(sk, ds, GFP_KERNEL);
+	ctx->result = sock_kzalloc(sk, ds, GFP_KERNEL);
 	if (!ctx->result)
 		return -ENOMEM;
 
-	memset(ctx->result, 0, ds);
-
 	return 0;
 }
 
@@ -412,11 +410,10 @@ static int hash_accept_parent_nokey(void *private, struct sock *sk)
 	struct hash_ctx *ctx;
 	unsigned int len = sizeof(*ctx) + crypto_ahash_reqsize(tfm);
 
-	ctx = sock_kmalloc(sk, len, GFP_KERNEL);
+	ctx = sock_kzalloc(sk, len, GFP_KERNEL);
 	if (!ctx)
 		return -ENOMEM;
 
-	memset(ctx, 0, len);
 	ctx->len = len;
 	crypto_init_wait(&ctx->wait);