bsd/vfs/vfs_syscalls.c

5865 	vnode_t tvp, fvp, tdvp, sdvp;
5888 	tdvp = tond.ni_dvp;
5902 	if ((error = vnode_authorize(tdvp, NULL, KAUTH_VNODE_ADD_FILE, ctx)) != 0)
5905 	if (fvp == tdvp)
5915 	        error = VNOP_COPYFILE(fvp, tdvp, tvp, &tond.ni_cnd, uap->mode, uap->flags, ctx);
5919 	 * nameidone has to happen before we vnode_put(tdvp)
5920 	 * since it may need to release the fs_nodelock on the tdvp
5926 	vnode_put(tdvp);
5949 	vnode_t tvp, tdvp;
5983 	fdvp = tdvp = NULL;
6015 		tdvp = tond->ni_dvp;
6023 		 * For success, either fvp must be on the same mount as tdvp, or fvp must sit atop a vnode on the same mount as tdvp.
6024 		 * Suppose fdvp and tdvp are not on the same mount.
6025 		 * If fvp is on the same mount as tdvp, then fvp is not on the same mount as fdvp, so fvp is the root of its filesystem.  If fvp is the root,
6031 		if (fdvp->v_mount != tdvp->v_mount) {
6039 		error = vn_authorize_rename(fdvp, fvp, &fromnd->ni_cnd, tdvp, tvp, &tond->ni_cnd, ctx, NULL);
6087 	    (fdvp == tdvp)  &&
6106 	if ((fvp->v_mount != tdvp->v_mount) ||
6132 	if (fvp == tvp && fdvp == tdvp) {
6150 	if (tdvp != fdvp && fvp->v_type == VDIR) {
6181 			vnode_put(tdvp);
6268 		to_len = safe_getpath(tdvp, tond->ni_cnd.cn_nameptr, to_name, MAXPATHLEN, &to_truncated);
6272 			    tdvp, &tvp, &tond->ni_cnd, tvap,
6403 		if (fdvp != tdvp)
6406 	        vnode_update_identity(fvp, tdvp, tond->ni_cnd.cn_nameptr, tond->ni_cnd.cn_namelen, tond->ni_cnd.cn_hash, update_flags);
6422 	if (tdvp) {
6424 		 * nameidone has to happen before we vnode_put(tdvp)
6425 		 * since it may need to release the fs_nodelock on the tdvp
6431 	        vnode_put(tdvp);