From d2322cf5ed59f084ac86d9339f7c3acccd177bfd Mon Sep 17 00:00:00 2001 From: Sabrina Dubroca Date: Fri, 25 Aug 2023 23:35:16 +0200 Subject: tls: allocate the fallback aead after checking that the cipher is valid No need to allocate the aead if we're going to fail afterwards. Signed-off-by: Sabrina Dubroca Link: https://lore.kernel.org/r/335e32511ed55a0b30f3f81a78fa8f323b3bdf8f.1692977948.git.sd@queasysnail.net Signed-off-by: Jakub Kicinski --- net/tls/tls_device_fallback.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) (limited to 'net/tls') diff --git a/net/tls/tls_device_fallback.c b/net/tls/tls_device_fallback.c index cb224fb2a394..4de9061f38f5 100644 --- a/net/tls/tls_device_fallback.c +++ b/net/tls/tls_device_fallback.c @@ -475,15 +475,6 @@ int tls_sw_fallback_init(struct sock *sk, const u8 *key; int rc; - offload_ctx->aead_send = - crypto_alloc_aead("gcm(aes)", 0, CRYPTO_ALG_ASYNC); - if (IS_ERR(offload_ctx->aead_send)) { - rc = PTR_ERR(offload_ctx->aead_send); - pr_err_ratelimited("crypto_alloc_aead failed rc=%d\n", rc); - offload_ctx->aead_send = NULL; - goto err_out; - } - switch (crypto_info->cipher_type) { case TLS_CIPHER_AES_GCM_128: key = ((struct tls12_crypto_info_aes_gcm_128 *)crypto_info)->key; @@ -493,10 +484,19 @@ int tls_sw_fallback_init(struct sock *sk, break; default: rc = -EINVAL; - goto free_aead; + goto err_out; } cipher_desc = get_cipher_desc(crypto_info->cipher_type); + offload_ctx->aead_send = + crypto_alloc_aead("gcm(aes)", 0, CRYPTO_ALG_ASYNC); + if (IS_ERR(offload_ctx->aead_send)) { + rc = PTR_ERR(offload_ctx->aead_send); + pr_err_ratelimited("crypto_alloc_aead failed rc=%d\n", rc); + offload_ctx->aead_send = NULL; + goto err_out; + } + rc = crypto_aead_setkey(offload_ctx->aead_send, key, cipher_desc->key); if (rc) goto free_aead; -- cgit v1.2.3-70-g09d2