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authorDavid Howells <dhowells@redhat.com>2020-09-16 01:38:15 +0100
committerDavid Howells <dhowells@redhat.com>2020-11-23 18:09:30 +0000
commit8d47a43c48af31c0027e1e08fce7af5f9aaa83c7 (patch)
tree7320f2829cae231950048115bb712afe6d1911c3 /net/rxrpc/rxkad.c
parent177b8989661bf7f90851c7ab3dc174b1aa117989 (diff)
rxrpc: Merge prime_packet_security into init_connection_security
Merge the ->prime_packet_security() into the ->init_connection_security() hook as they're always called together. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'net/rxrpc/rxkad.c')
-rw-r--r--net/rxrpc/rxkad.c20
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,