Date: Wed, 22 May 2013 17:20:01 GMT From: dfilter@FreeBSD.ORG (dfilter service) To: freebsd-xen@FreeBSD.org Subject: Re: kern/176471: commit references a PR Message-ID: <201305221720.r4MHK131044318@freefall.freebsd.org>
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The following reply was made to PR kern/176471; it has been noted by GNATS. From: dfilter@FreeBSD.ORG (dfilter service) To: bug-followup@FreeBSD.org Cc: Subject: Re: kern/176471: commit references a PR Date: Wed, 22 May 2013 17:13:21 +0000 (UTC) Author: gibbs Date: Wed May 22 17:13:03 2013 New Revision: 250913 URL: http://svnweb.freebsd.org/changeset/base/250913 Log: Correct panic on detach of Xen PV network interfaces. dev/xen/netfront: In netif_free(), properly stop the interface and drain any pending timers prior to disconnecting from the backend device. Remove all media and detach our interface object from the system prior to deleting it. PR: kern/176471 Submitted by: Roger Pau Monne <roger.pau@citrix.com> Reviewed by: gibbs 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 Wed May 22 16:33:28 2013 (r250912) +++ head/sys/dev/xen/netfront/netfront.c Wed May 22 17:13:03 2013 (r250913) @@ -2171,10 +2171,14 @@ netfront_detach(device_t dev) static void netif_free(struct netfront_info *info) { + XN_LOCK(info); + xn_stop(info); + XN_UNLOCK(info); + callout_drain(&info->xn_stat_ch); netif_disconnect_backend(info); -#if 0 - close_netdev(info); -#endif + ifmedia_removeall(&info->sc_media); + ether_ifdetach(info->xn_ifp); + if_free(info->xn_ifp); } static void _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscribe@freebsd.org"
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