Date: Mon, 20 Apr 2009 23:25:38 +0000 (UTC) From: Robert Watson <rwatson@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r191343 - head/sys/net Message-ID: <200904202325.n3KNPcq1061268@svn.freebsd.org>
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Author: rwatson Date: Mon Apr 20 23:25:38 2009 New Revision: 191343 URL: http://svn.freebsd.org/changeset/base/191343 Log: Acquire interfce address list lock while walking the interface address list during tun device initialization. MFC after: 2 weeks Modified: head/sys/net/if_tun.c Modified: head/sys/net/if_tun.c ============================================================================== --- head/sys/net/if_tun.c Mon Apr 20 23:23:31 2009 (r191342) +++ head/sys/net/if_tun.c Mon Apr 20 23:25:38 2009 (r191343) @@ -520,6 +520,7 @@ tuninit(struct ifnet *ifp) getmicrotime(&ifp->if_lastchange); #ifdef INET + IF_ADDR_LOCK(ifp); TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { if (ifa->ifa_addr->sa_family == AF_INET) { struct sockaddr_in *si; @@ -535,6 +536,7 @@ tuninit(struct ifnet *ifp) mtx_unlock(&tp->tun_mtx); } } + IF_ADDR_UNLOCK(ifp); #endif return (error); }
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