From patchwork Wed Apr 9 22:00:45 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: KY Srinivasan X-Patchwork-Id: 337934 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 [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 322061400A5 for ; Thu, 10 Apr 2014 07:07:45 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965076AbaDIVG6 (ORCPT ); Wed, 9 Apr 2014 17:06:58 -0400 Received: from p3plsmtps2ded03.prod.phx3.secureserver.net ([208.109.80.60]:54830 "EHLO p3plsmtps2ded03.prod.phx3.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964977AbaDIVGO (ORCPT ); Wed, 9 Apr 2014 17:06:14 -0400 Received: from linuxonhyperv.com ([72.167.245.219]) by p3plsmtps2ded03.prod.phx3.secureserver.net with : DED : id nx6D1n00Z4kklxU01x6D4f; Wed, 09 Apr 2014 14:06:14 -0700 x-originating-ip: 72.167.245.219 Received: by linuxonhyperv.com (Postfix, from userid 507) id BED7B19087C; Wed, 9 Apr 2014 15:00:48 -0700 (PDT) From: "K. Y. Srinivasan" To: davem@davemloft.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com, jasowang@redhat.com Cc: "K. Y. Srinivasan" Subject: [PATCH net, V1 1/3] Drivers: net: hyperv: Allocate memory for all possible per-pecket information Date: Wed, 9 Apr 2014 15:00:45 -0700 Message-Id: <1397080847-17994-1-git-send-email-kys@microsoft.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1397080810-17953-1-git-send-email-kys@microsoft.com> References: <1397080810-17953-1-git-send-email-kys@microsoft.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org An outgoing packet can potentially need per-packet information for all the offloads and VLAN tagging. Fix this issue. Signed-off-by: K. Y. Srinivasan Reviewed-by: Haiyang Zhang --- drivers/net/hyperv/netvsc_drv.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index 4e4cf9e..6f39baa 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -319,7 +319,9 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net) packet = kzalloc(sizeof(struct hv_netvsc_packet) + (num_data_pgs * sizeof(struct hv_page_buffer)) + sizeof(struct rndis_message) + - NDIS_VLAN_PPI_SIZE, GFP_ATOMIC); + NDIS_VLAN_PPI_SIZE + + NDIS_CSUM_PPI_SIZE + + NDIS_LSO_PPI_SIZE, GFP_ATOMIC); if (!packet) { /* out of memory, drop packet */ netdev_err(net, "unable to allocate hv_netvsc_packet\n");