From: Lukáš Doktor <ldok...@redhat.com>
In case qemu process dies the "monitor.cmd" returns None which gets
passed to the "__negotiate_capabilities" and leads to unhandled
exception. Let's only check the resp in case it has a value.
Signed-off-by: Lukáš Doktor <ldok...@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <phi...@redhat.com>
Reviewed-by: Wainer dos Santos Moschetta <waine...@redhat.com>
Message-Id: <20200120071202.30646-1-ldok...@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <phi...@redhat.com>
---
python/qemu/qmp.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/python/qemu/qmp.py b/python/qemu/qmp.py
index 4b9a362240..f40586eedd 100644
--- a/python/qemu/qmp.py
+++ b/python/qemu/qmp.py
@@ -80,7 +80,7 @@ class QEMUMonitorProtocol:
raise QMPConnectError
# Greeting seems ok, negotiate capabilities
resp = self.cmd('qmp_capabilities')
- if "return" in resp:
+ if resp and "return" in resp:
return greeting
raise QMPCapabilitiesError
--
2.21.1
