From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dennis Aberilla Subject: [PATCH] drivers/net: ks8842 Fix crash on received packet when in PIO mode. Date: Thu, 19 May 2011 10:59:47 +1200 Message-ID: <20110518225945.GB6416@dens-work> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: davem@davemloft.net, netdev@vger.kernel.org To: info@mocean-labs.com Return-path: Received: from na3sys009aog108.obsmtp.com ([74.125.149.199]:55803 "HELO na3sys009aog108.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1755350Ab1ERW7y (ORCPT ); Wed, 18 May 2011 18:59:54 -0400 Received: by mail-px0-f172.google.com with SMTP id 6so1567452pxi.3 for ; Wed, 18 May 2011 15:59:53 -0700 (PDT) Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: This patch fixes a kernel crash during packet reception due to not enough allocated bytes for the skb. This applies to the driver when running in PIO mode in an ISA bus setup. Signed-off-by: Dennis Aberilla --- diff --git a/drivers/net/ks8842.c b/drivers/net/ks8842.c index f0d8346..9069aee 100644 --- a/drivers/net/ks8842.c +++ b/drivers/net/ks8842.c @@ -662,7 +662,7 @@ static void ks8842_rx_frame(struct net_device *netdev, /* check the status */ if ((status & RXSR_VALID) && !(status & RXSR_ERROR)) { - struct sk_buff *skb = netdev_alloc_skb_ip_align(netdev, len); + struct sk_buff *skb = netdev_alloc_skb_ip_align(netdev, len + 2); if (skb) { -- Using mutt this time. |Dennis ======================================================================= This email, including any attachments, is only for the intended addressee. It is subject to copyright, is confidential and may be the subject of legal or other privilege, none of which is waived or lost by reason of this transmission. If the receiver is not the intended addressee, please accept our apologies, notify us by return, delete all copies and perform no other act on the email. Unfortunately, we cannot warrant that the email has not been altered or corrupted during transmission. =======================================================================