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/freebsd/sys/dev/xen/control/
H A Dcontrol.cdiff 06592d60f00c39a465454df203fcabbdefadb57f Thu May 28 10:20:16 CEST 2020 Roger Pau Monné <royger@FreeBSD.org> xen/control: short circuit xctrl_on_watch_event on spurious event

If there's no data to read from xenstore short-circuit
xctrl_on_watch_event to return early, there's no reason to continue
since the lack of data would prevent matching against any known event
type.

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