cvs commit: src/sys/contrib/pf/net if_pfsync.c
rwatson at FreeBSD.org
Mon Apr 23 11:40:20 UTC 2007
On Mon, 23 Apr 2007, Bruce M. Simpson wrote:
> I agree with you that the current fix is not ideal, however it's the most
> appropriate fix for the code as it currently stands.
> I stand by my work, you are free to improve upon it.
Part of the issue here is that kernel consumers aren't the only sources of
multicast address registrations -- for example, user applications can register
them directly using ioctls. Kernel consumers should be given every
opportunity to unregister addresses themselves (via event handlers on
tear-down) before they are ripped out, but if they're still there when it
comes time to free the interface, the stack should clean them up.
Robert N M Watson
University of Cambridge
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