Date: Tue, 13 Jul 2010 08:53:41 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org Subject: svn commit: r209985 - stable/7/sys/kern Message-ID: <201007130853.o6D8rfGg074646@svn.freebsd.org>
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Author: kib Date: Tue Jul 13 08:53:41 2010 New Revision: 209985 URL: http://svn.freebsd.org/changeset/base/209985 Log: MFC r209742: In revoke(), verify that VCHR vnode indeed belongs to devfs. Modified: stable/7/sys/kern/vfs_syscalls.c Directory Properties: stable/7/sys/ (props changed) stable/7/sys/cddl/contrib/opensolaris/ (props changed) stable/7/sys/contrib/dev/acpica/ (props changed) stable/7/sys/contrib/pf/ (props changed) Modified: stable/7/sys/kern/vfs_syscalls.c ============================================================================== --- stable/7/sys/kern/vfs_syscalls.c Tue Jul 13 08:45:50 2010 (r209984) +++ stable/7/sys/kern/vfs_syscalls.c Tue Jul 13 08:53:41 2010 (r209985) @@ -3963,7 +3963,7 @@ revoke(td, uap) vfslocked = NDHASGIANT(&nd); vp = nd.ni_vp; NDFREE(&nd, NDF_ONLY_PNBUF); - if (vp->v_type != VCHR) { + if (vp->v_type != VCHR || vp->v_rdev == NULL) { error = EINVAL; goto out; }
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