Roger Pau Monné 339690b541 xen-netfront: fix trying to send packets with disconnected netfront ... In certain circumstances xn_txq_mq_start might be called with num_queues == 0 during the resume phase after a migration, which can trigger a KASSERT. Fix this by making sure the carrier is on before trying to transmit, or else return that the queues are full. Just as a note, I haven't been able to reproduce this crash on my test systems, but I still think it's possible and worth fixing. Reported by: Karl Pielorz <kpielorz_lst@tdx.co.uk> Sponsored by: Citrix Systems R&D MFC after: 5 days Reviewed by: Wei Liu <wei.liu2@citrix.com> Differential revision: https://reviews.freebsd.org/D7349		2016-07-29 16:33:45 +00:00
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netfront.c	xen-netfront: fix trying to send packets with disconnected netfront	2016-07-29 16:33:45 +00:00