bhyve: Fix vq_getchain() error handling bugs in various device models
Reviewed by: grehan, khng
Approved by: so
Security: CVE-2021-29631
Security: FreeBSD-SA-21:13.bhyve
(cherry picked from commit 71fbc6faed62e8eb5864f7c40839740f5e9f5558)
bhyve: Fix vq_getchain() error handling bugs in various device models Tags None Referenced Files None Subscribers None
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