diff options
Diffstat (limited to 'net/rxrpc/rxkad.c')
| -rw-r--r-- | net/rxrpc/rxkad.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c index 3057f00a6978..301894857473 100644 --- a/net/rxrpc/rxkad.c +++ b/net/rxrpc/rxkad.c @@ -38,6 +38,9 @@ struct rxkad_level2_hdr { __be32 checksum; /* decrypted data checksum */ }; +static int rxkad_prime_packet_security(struct rxrpc_connection *conn, + struct crypto_sync_skcipher *ci); + /* * this holds a pinned cipher so that keventd doesn't get called by the cipher * alloc routine, but since we have it to hand, we use it to decrypt RESPONSE @@ -130,8 +133,15 @@ static int rxkad_init_connection_security(struct rxrpc_connection *conn, goto error; } + ret = rxkad_prime_packet_security(conn, ci); + if (ret < 0) + goto error_ci; + conn->cipher = ci; - ret = 0; + return 0; + +error_ci: + crypto_free_sync_skcipher(ci); error: _leave(" = %d", ret); return ret; @@ -141,7 +151,8 @@ error: * prime the encryption state with the invariant parts of a connection's * description */ -static int rxkad_prime_packet_security(struct rxrpc_connection *conn) +static int rxkad_prime_packet_security(struct rxrpc_connection *conn, + struct crypto_sync_skcipher *ci) { struct skcipher_request *req; struct rxrpc_key_token *token; @@ -159,7 +170,7 @@ static int rxkad_prime_packet_security(struct rxrpc_connection *conn) if (!tmpbuf) return -ENOMEM; - req = skcipher_request_alloc(&conn->cipher->base, GFP_NOFS); + req = skcipher_request_alloc(&ci->base, GFP_NOFS); if (!req) { kfree(tmpbuf); return -ENOMEM; @@ -174,7 +185,7 @@ static int rxkad_prime_packet_security(struct rxrpc_connection *conn) tmpbuf[3] = htonl(conn->security_ix); sg_init_one(&sg, tmpbuf, tmpsize); - skcipher_request_set_sync_tfm(req, conn->cipher); + skcipher_request_set_sync_tfm(req, ci); skcipher_request_set_callback(req, 0, NULL, NULL); skcipher_request_set_crypt(req, &sg, &sg, tmpsize, iv.x); crypto_skcipher_encrypt(req); @@ -1350,7 +1361,6 @@ const struct rxrpc_security rxkad = { .free_preparse_server_key = rxkad_free_preparse_server_key, .destroy_server_key = rxkad_destroy_server_key, .init_connection_security = rxkad_init_connection_security, - .prime_packet_security = rxkad_prime_packet_security, .secure_packet = rxkad_secure_packet, .verify_packet = rxkad_verify_packet, .free_call_crypto = rxkad_free_call_crypto, |