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um: virtio_uml: mark device as unregistered when breaking it

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[ Upstream commit 8e9cd85139a2149d5a7c121b05e0cdb8287311f9 ]

Mark the device as not registered anymore when scheduling the work to
remove it. Otherwise we could end up scheduling the work multiple times
in a row, including scheduling it while it is already running.

Fixes: af9fb41ed3 ("um: virtio_uml: Fix broken device handling in time-travel")
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Benjamin Berg
2023-02-09 10:00:03 +01:00
committed by Greg Kroah-Hartman
parent 4e774bf6ea
commit 1954d3cd49
1 changed files with 2 additions and 0 deletions
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2
arch/um/drivers/virtio_uml.c
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@@ -168,6 +168,8 @@ static void vhost_user_check_reset(struct virtio_uml_device *vu_dev,
if (!vu_dev->registered)
return;
vu_dev->registered = 0;
virtio_break_device(&vu_dev->vdev);
schedule_work(&pdata->conn_broken_wk);
}