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python/qemu/qmp.py: re-raise OSError when encountered

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Nested if conditions don't change when the exception block fires; we
need to explicitly re-raise the error if we didn't intend to capture and
suppress it.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20201009175123.249009-3-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
This commit is contained in:
John Snow 2020-10-09 13:51:22 -04:00
parent c3a404d3be
commit d5cca076c3
1 changed files with 5 additions and 4 deletions
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9
python/qemu/qmp.py
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@ -169,10 +169,11 @@ class QEMUMonitorProtocol:
try:
self.__json_read()
except OSError as err:
if err.errno == errno.EAGAIN:
# No data available
pass
self.__sock.setblocking(True)
# EAGAIN: No data available; not critical
if err.errno != errno.EAGAIN:
raise
finally:
self.__sock.setblocking(True)
# Wait for new events, if needed.
# if wait is 0.0, this means "no wait" and is also implicitly false.