diff mbox series

[v3,1/4] python/aqmp: Fix negotiation with pre-"oob" QEMU

Message ID 20220124180626.627718-2-jsnow@redhat.com (mailing list archive)
State New, archived
Headers show
Series Python: Improvements for iotest 040,041 | expand

Commit Message

John Snow Jan. 24, 2022, 6:06 p.m. UTC
QEMU versions prior to the "oob" capability *also* can't accept the
"enable" keyword argument at all. Fix the handshake process with older
QEMU versions.

Signed-off-by: John Snow <jsnow@redhat.com>
---
 python/qemu/aqmp/qmp_client.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Comments

Hanna Czenczek Jan. 27, 2022, 2:22 p.m. UTC | #1
On 24.01.22 19:06, John Snow wrote:
> QEMU versions prior to the "oob" capability *also* can't accept the
> "enable" keyword argument at all. Fix the handshake process with older
> QEMU versions.
>
> Signed-off-by: John Snow <jsnow@redhat.com>
> ---
>   python/qemu/aqmp/qmp_client.py | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)

Reviewed-by: Hanna Reitz <hreitz@redhat.com>
diff mbox series

Patch

diff --git a/python/qemu/aqmp/qmp_client.py b/python/qemu/aqmp/qmp_client.py
index f1a845cc82..90a8737f03 100644
--- a/python/qemu/aqmp/qmp_client.py
+++ b/python/qemu/aqmp/qmp_client.py
@@ -292,9 +292,9 @@  async def _negotiate(self) -> None:
         """
         self.logger.debug("Negotiating capabilities ...")
 
-        arguments: Dict[str, List[str]] = {'enable': []}
+        arguments: Dict[str, List[str]] = {}
         if self._greeting and 'oob' in self._greeting.QMP.capabilities:
-            arguments['enable'].append('oob')
+            arguments.setdefault('enable', []).append('oob')
         msg = self.make_execute_msg('qmp_capabilities', arguments=arguments)
 
         # It's not safe to use execute() here, because the reader/writers