From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Bryan O'Sullivan" Subject: [PATCH 23 of 39] IB/ipath - disallow send of invalid packet sizes over UD Date: Thu, 29 Jun 2006 14:41:14 -0700 Message-ID: <8e39364c2402304872e6.1151617274@eng-12.pathscale.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, openib-general@openib.org Return-path: In-Reply-To: To: akpm@osdl.org, rdreier@cisco.com, mst@mellanox.co.il List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: openib-general-bounces@openib.org Errors-To: openib-general-bounces@openib.org List-Id: netdev.vger.kernel.org Signed-off-by: Ralph Campbell Signed-off-by: Bryan O'Sullivan diff -r 811021b6c112 -r 8e39364c2402 drivers/infiniband/hw/ipath/ipath_ud.c --- a/drivers/infiniband/hw/ipath/ipath_ud.c Thu Jun 29 14:33:26 2006 -0700 +++ b/drivers/infiniband/hw/ipath/ipath_ud.c Thu Jun 29 14:33:26 2006 -0700 @@ -274,6 +274,11 @@ int ipath_post_ud_send(struct ipath_qp * } len += wr->sg_list[i].length; ss.num_sge++; + } + /* Check for invalid packet size. */ + if (len > ipath_layer_get_ibmtu(dev->dd)) { + ret = -EINVAL; + goto bail; } extra_bytes = (4 - len) & 3; nwords = (len + extra_bytes) >> 2;