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authorDavid Howells <dhowells@redhat.com>2017-06-05 16:30:49 +0300
committerDavid Howells <dhowells@redhat.com>2017-06-05 16:30:49 +0300
commit68d6d1ae5c0429bcc8911e1db5f80fe2cd1ca974 (patch)
treefe2a180323f93465622820a2b59effbcaec62641 /net/rxrpc/recvmsg.c
parentaae1a2ce1416fa79213bd765cee5b961540265b3 (diff)
downloadlinux-68d6d1ae5c0429bcc8911e1db5f80fe2cd1ca974.tar.xz
rxrpc: Separate the connection's protocol service ID from the lookup ID
Keep the rxrpc_connection struct's idea of the service ID that is exposed in the protocol separate from the service ID that's used as a lookup key. This allows the protocol service ID on a client connection to get upgraded without making the connection unfindable for other client calls that also would like to use the upgraded connection. The connection's actual service ID is then returned through recvmsg() by way of msg_name. Whilst we're at it, we get rid of the last_service_id field from each channel. The service ID is per-connection, not per-call and an entire connection is upgraded in one go. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'net/rxrpc/recvmsg.c')
-rw-r--r--net/rxrpc/recvmsg.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c
index f9caf3b77509..bdece21f313d 100644
--- a/net/rxrpc/recvmsg.c
+++ b/net/rxrpc/recvmsg.c
@@ -522,8 +522,11 @@ try_again:
}
if (msg->msg_name) {
- size_t len = sizeof(call->conn->params.peer->srx);
- memcpy(msg->msg_name, &call->conn->params.peer->srx, len);
+ struct sockaddr_rxrpc *srx = msg->msg_name;
+ size_t len = sizeof(call->peer->srx);
+
+ memcpy(msg->msg_name, &call->peer->srx, len);
+ srx->srx_service = call->service_id;
msg->msg_namelen = len;
}