[PATCH RESEND 4/6] crypto: af_alg - use sock_kzalloc in alloc_result + accept_parent_nokey
From: Thorsten Blum <thorsten.blum@linux.dev>
Date: 2026-05-27 08:26:01
Also in:
linux-crypto, lkml
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
Replace sock_kmalloc() followed by memset(0) with sock_kzalloc() to simplify hash_alloc_result() and hash_accept_parent_nokey(). Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com> Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev> --- 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);