fs/virtio-9p:When virtio-9p is not supported, return -ENODEV #15963
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Summary: When the operating environment does not support virtio-9p and the virtio-9p server driver is not provided, -ENODEV should be returned for virtio-9p to avoid crash caused by continued execution. Signed-off-by: chenrun1 <[email protected]>
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acassis
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Mar 10, 2025
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Summary
When the operating environment does not support virtio-9p and the virtio-9p server driver is not provided, -ENODEV should be returned for virtio-9p to avoid crash caused by continued execution.
Impact
-ENODEV is returned when virtio-9p create fails
Testing
This test is on my goldfish environment. When 9p is in an unsupported environment, it will return an error normally, avoiding continued execution and eventually causing the system to crash.