From patchwork Fri Oct 2 12:40:09 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Philipp Reisner X-Patchwork-Id: 34850 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by ozlabs.org (Postfix) with ESMTP id E8E92B7BEA for ; Fri, 2 Oct 2009 22:41:53 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757505AbZJBMlB (ORCPT ); Fri, 2 Oct 2009 08:41:01 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757229AbZJBMk7 (ORCPT ); Fri, 2 Oct 2009 08:40:59 -0400 Received: from mail09.linbit.com ([212.69.161.110]:53807 "EHLO mail09.linbit.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756923AbZJBMkM (ORCPT ); Fri, 2 Oct 2009 08:40:12 -0400 Received: from localhost.localdomain (unknown [10.9.9.50]) by mail09.linbit.com (LINBIT Mail Daemon) with ESMTP id C795610888BE; Fri, 2 Oct 2009 14:40:14 +0200 (CEST) From: Philipp Reisner To: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Andrew Morton , "David S. Miller" , Greg KH Cc: dm-devel@redhat.com, Evgeniy Polyakov , linux-fbdev-devel@lists.sourceforge.net, Philipp Reisner Subject: [PATCH 6/8] dst/connector: Disallow unpliviged users to configure dst Date: Fri, 2 Oct 2009 14:40:09 +0200 Message-Id: <1254487211-11810-7-git-send-email-philipp.reisner@linbit.com> X-Mailer: git-send-email 1.6.0.4 In-Reply-To: <1254487211-11810-6-git-send-email-philipp.reisner@linbit.com> References: <1254487211-11810-1-git-send-email-philipp.reisner@linbit.com> <1254487211-11810-2-git-send-email-philipp.reisner@linbit.com> <1254487211-11810-3-git-send-email-philipp.reisner@linbit.com> <1254487211-11810-4-git-send-email-philipp.reisner@linbit.com> <1254487211-11810-5-git-send-email-philipp.reisner@linbit.com> <1254487211-11810-6-git-send-email-philipp.reisner@linbit.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Signed-off-by: Philipp Reisner --- drivers/staging/dst/dcore.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/drivers/staging/dst/dcore.c b/drivers/staging/dst/dcore.c index 3943c91..ee16010 100644 --- a/drivers/staging/dst/dcore.c +++ b/drivers/staging/dst/dcore.c @@ -855,6 +855,11 @@ static void cn_dst_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp) struct dst_node *n = NULL, *tmp; unsigned int hash; + if (!cap_raised(nsp->eff_cap, CAP_SYS_ADMIN)) { + err = -EPERM; + goto out; + } + if (msg->len < sizeof(struct dst_ctl)) { err = -EBADMSG; goto out;