nbd: fix NBD over TLS

When attaching the NBD QIOChannel to an AioContext, the TLS channel should
be used, not the underlying socket channel.  This is because, trivially,
the TLS channel will be the one that we read/write to and thus the one
that will get the qio_channel_yield() call.

Fixes: ff82911cd3f69f028f2537825c9720ff78bc3f19
Cc: qemu-stable@nongnu.org
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Tested-by: Daniel P. Berrange <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
(cherry picked from commit 96d06835dc40007673cdfab6322e9042c4077113)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>

diff --git a/block/nbd-client.c b/block/nbd-client.c
index 1e2952fdae6f4dd8474a4419a88cf7426eda7f6c..56eb0e2e1629054ef73cc62a73f75e246392f038 100644 (file)
--- a/block/nbd-client.c
+++ b/block/nbd-client.c
@@ -352,14 +352,14 @@ int nbd_client_co_pdiscard(BlockDriverState *bs, int64_t offset, int count)
 void nbd_client_detach_aio_context(BlockDriverState *bs)
 {
     NBDClientSession *client = nbd_get_client_session(bs);
-    qio_channel_detach_aio_context(QIO_CHANNEL(client->sioc));
+    qio_channel_detach_aio_context(QIO_CHANNEL(client->ioc));
 }
 
 void nbd_client_attach_aio_context(BlockDriverState *bs,
                                    AioContext *new_context)
 {
     NBDClientSession *client = nbd_get_client_session(bs);
-    qio_channel_attach_aio_context(QIO_CHANNEL(client->sioc), new_context);
+    qio_channel_attach_aio_context(QIO_CHANNEL(client->ioc), new_context);
     aio_co_schedule(new_context, client->read_reply_co);
 }