Date: Thu, 4 Jun 2009 14:04:27 GMT From: Marko Zec <zec@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 163487 for review Message-ID: <200906041404.n54E4RQT086003@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=163487 Change 163487 by zec@zec_amdx4 on 2009/06/04 14:03:58 Allow for lo0 to be automatically destroyed via the vnet destructor framework. ifconfig lo0 destroy still works with unchanged semantics, i.e. returns an error and can never succeed. Affected files ... .. //depot/projects/vimage/src/sys/net/if_loop.c#50 edit Differences ... ==== //depot/projects/vimage/src/sys/net/if_loop.c#50 (text+ko) ==== @@ -135,12 +135,11 @@ static void lo_clone_destroy(struct ifnet *ifp) { -#ifdef INVARIANTS - INIT_VNET_NET(ifp->if_vnet); -#endif +#ifndef VIMAGE /* XXX: destroying lo0 will lead to panics. */ KASSERT(V_loif != ifp, ("%s: destroying lo0", __func__)); +#endif bpfdetach(ifp); if_detach(ifp); @@ -194,8 +193,10 @@ static int vnet_loif_idetach(unused) const void *unused; { + INIT_VNET_NET(curvnet); - /* XXX nothing done here - revisit! */ + if_clone_detach(V_lo_cloner); + V_loif = NULL; return (0); }
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