Julian Elischer wrote:
We are aware of this. You are of course also welcome to
make suggestions as to what the correct behavior in these
situations should be.
When an interface is moved from a parent to a child vnet
a check is done. I tried to copy that behavior. Does it
look correct?
--- sys/net/if.c.orig 2009-08-24 15:52:05.000000000 +0300
+++ sys/net/if.c 2009-08-25 23:55:26.000000000 +0300
@@ -992,6 +992,13 @@
prison_hold_locked(pr);
mtx_unlock(&pr->pr_mtx);
+ /* Make sure the named iface does not exist in the dst. prison/vnet. */
+ ifp = ifunit(ifname);
+ if (ifp != NULL) {
+ prison_free(pr);
+ return (EEXIST);
+ }
+
/* Make sure the named iface exists in the source prison/vnet. */
CURVNET_SET(pr->pr_vnet);
ifp = ifunit(ifname); /* XXX Lock to avoid races. */
Thank you for trying out our new little toy!
Well, thanks for creating this "little toy":)
Nikos
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