if_clone.c allows creating multiple interfaces with the same name

Gleb Smirnoff glebius at FreeBSD.org
Fri Nov 25 13:19:37 UTC 2011

On Thu, Nov 24, 2011 at 09:28:51AM +0100, Daan Vreeken wrote:
D> Recently I've discovered a bug in if_clone.c and if.c where the code allows 
D> multiple interfaces to be created with exactly the same name (which leads to 
D> all sorts of other interesting problems).
D> I've submitted a PR about this with patches, which can be found here :
D> 	http://www.freebsd.org/cgi/query-pr.cgi?pr=162789
D> Could anyone take a look at it?

I decided to simply if_clone code utilizing generic unit allocator. Patch
atteched. Now I'll try to merge it with your ideas.

Totus tuus, Glebius.
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