Date: Fri, 14 Jun 2013 03:31:11 +0000 (UTC) From: "Justin T. Gibbs" <gibbs@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r251729 - head/sys/dev/xen/netfront Message-ID: <201306140331.r5E3VBAO039558@svn.freebsd.org>
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Author: gibbs Date: Fri Jun 14 03:31:11 2013 New Revision: 251729 URL: http://svnweb.freebsd.org/changeset/base/251729 Log: sys/dev/xen/netfront/netfront.c: In netif_free(), call ifmedia_removeall() after ether_ifdetach() so that bpf listeners are detached, any link state processing is completed, and there is no chance for external reference to media information. Suggested by: yongari MFC after: 1 week Modified: head/sys/dev/xen/netfront/netfront.c Modified: head/sys/dev/xen/netfront/netfront.c ============================================================================== --- head/sys/dev/xen/netfront/netfront.c Fri Jun 14 03:28:29 2013 (r251728) +++ head/sys/dev/xen/netfront/netfront.c Fri Jun 14 03:31:11 2013 (r251729) @@ -2178,12 +2178,12 @@ netif_free(struct netfront_info *info) XN_UNLOCK(info); callout_drain(&info->xn_stat_ch); netif_disconnect_backend(info); - ifmedia_removeall(&info->sc_media); if (info->xn_ifp != NULL) { ether_ifdetach(info->xn_ifp); if_free(info->xn_ifp); info->xn_ifp = NULL; } + ifmedia_removeall(&info->sc_media); } static void
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