From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] net: calxedaxgmac: throw away overrun frames Date: Fri, 18 Jan 2013 14:15:06 -0500 (EST) Message-ID: <20130118.141506.2118336604190817703.davem@davemloft.net> References: <1358379397-7152-1-git-send-email-robherring2@gmail.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, rob.herring@calxeda.com, linux-kernel@vger.kernel.org To: robherring2@gmail.com Return-path: In-Reply-To: <1358379397-7152-1-git-send-email-robherring2@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Rob Herring Date: Wed, 16 Jan 2013 17:36:37 -0600 > From: Rob Herring > > The xgmac driver assumes 1 frame per descriptor. If a frame larger than > the descriptor's buffer size is received, the frame will spill over into > the next descriptor. So check for received frames that span more than one > descriptor and discard them. This prevents a crash if we receive erroneous > large packets. > > Signed-off-by: Rob Herring Applied.