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crypto: af_alg - use sock_kmemdup in alg_setkey_by_key_serial

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Replace sock_kmalloc() followed by memcpy() with sock_kmemdup() to
simplify alg_setkey_by_key_serial().

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Thorsten Blum
2026-04-05 21:49:41 +02:00
committed by Herbert Xu
parent c697c5fcfb
commit 8879a3c110
1 changed files with 1 additions and 3 deletions
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4
crypto/af_alg.c
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@@ -324,15 +324,13 @@ static int alg_setkey_by_key_serial(struct alg_sock *ask, sockptr_t optval,
return PTR_ERR(ret);
}
key_data = sock_kmalloc(&ask->sk, key_datalen, GFP_KERNEL);
key_data = sock_kmemdup(&ask->sk, ret, key_datalen, GFP_KERNEL);
if (!key_data) {
up_read(&key->sem);
key_put(key);
return -ENOMEM;
}
memcpy(key_data, ret, key_datalen);
up_read(&key->sem);
key_put(key);