[Bug 209428] if_vtnet(4) panics when doing kldunload if_vtnet
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Sat May 14 06:08:01 UTC 2016
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=209428
--- Comment #16 from commit-hook at freebsd.org ---
A commit references this bug:
Author: kp
Date: Sat May 14 06:07:15 UTC 2016
New revision: 299725
URL: https://svnweb.freebsd.org/changeset/base/299725
Log:
vtnet: fix panic on unload
Since r276367 added the virtio_mmio support vtnet_modevent() gets called
twice.
This resulted in a memory leak during load and a panic on unload.
Count the loads so we only initialise once (just like cxgbe(4)), and only
clean
up in the final unload.
PR: 209428
Submitted by: novel at FreeBSD.org
MFC after: 1 week
Changes:
head/sys/dev/virtio/network/if_vtnet.c
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