Date: Thu, 17 Sep 2009 11:03:37 +0000 (UTC) From: Marko Zec <zec@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r197267 - in stable/8/sys: . amd64/include/xen cddl/contrib/opensolaris compat/linux contrib/dev/acpica contrib/pf dev/xen/xenpci Message-ID: <200909171103.n8HB3br6054760@svn.freebsd.org>
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Author: zec Date: Thu Sep 17 11:03:37 2009 New Revision: 197267 URL: http://svn.freebsd.org/changeset/base/197267 Log: MFC r197176: Lock the ifnet list while iterating over it. Submitted by: julian MFC after: 3 days Approved by: re (kensmith) Modified: stable/8/sys/ (props changed) stable/8/sys/amd64/include/xen/ (props changed) stable/8/sys/cddl/contrib/opensolaris/ (props changed) stable/8/sys/compat/linux/linux_ioctl.c stable/8/sys/contrib/dev/acpica/ (props changed) stable/8/sys/contrib/pf/ (props changed) stable/8/sys/dev/xen/xenpci/ (props changed) Modified: stable/8/sys/compat/linux/linux_ioctl.c ============================================================================== --- stable/8/sys/compat/linux/linux_ioctl.c Thu Sep 17 06:31:59 2009 (r197266) +++ stable/8/sys/compat/linux/linux_ioctl.c Thu Sep 17 11:03:37 2009 (r197267) @@ -2152,6 +2152,7 @@ linux_ifconf(struct thread *td, struct i /* handle the 'request buffer size' case */ if (ifc.ifc_buf == PTROUT(NULL)) { ifc.ifc_len = 0; + IFNET_RLOCK(); TAILQ_FOREACH(ifp, &V_ifnet, if_link) { TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { struct sockaddr *sa = ifa->ifa_addr; @@ -2159,6 +2160,7 @@ linux_ifconf(struct thread *td, struct i ifc.ifc_len += sizeof(ifr); } } + IFNET_RUNLOCK(); error = copyout(&ifc, uifc, sizeof(ifc)); CURVNET_RESTORE(); return (error);
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