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vmm: Don't assume that resize_pipe is initialised

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If the underlying kernel is old PTY resize is disabled and this is
represented by the use of None in the provided Option<File> type. In the
virtio-console PTY path don't blindly unwrap() the value that will be
preserved across a reboot.

Fixes: #3496

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2022-01-04 10:54:30 +00:00
parent cf2abd35d0
commit a749063c8a
1 changed files with 1 additions and 1 deletions
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2
vmm/src/device_manager.rs
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@ -1742,7 +1742,7 @@ impl DeviceManager {
self.config.lock().unwrap().console.file = Some(pty.path.clone());
let file = pty.main.try_clone().unwrap();
self.console_pty = Some(Arc::new(Mutex::new(pty)));
self.console_resize_pipe = Some(Arc::new(resize_pipe.unwrap()));
self.console_resize_pipe = resize_pipe.map(Arc::new);
Endpoint::FilePair(file.try_clone().unwrap(), file)
} else {
let (main, mut sub, path) =