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authorSabrina Dubroca <sd@queasysnail.net>2023-08-25 23:35:16 +0200
committerJakub Kicinski <kuba@kernel.org>2023-08-27 17:17:42 -0700
commitd2322cf5ed59f084ac86d9339f7c3acccd177bfd (patch)
tree605ac75069f478a66aea9b766a1aadd6b0f41694 /net/tls
parent3524dd4d5f1fb9e75fdfaf280822a34fa82059bd (diff)
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 <sd@queasysnail.net> Link: https://lore.kernel.org/r/335e32511ed55a0b30f3f81a78fa8f323b3bdf8f.1692977948.git.sd@queasysnail.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/tls')
-rw-r--r--net/tls/tls_device_fallback.c20
1 files changed, 10 insertions, 10 deletions
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;