src/patches/linux/0012-Drivers-net-hyperv-Allocate-memory-for-all-possible-.patch

   1 From e0f6906eb7e5b395370da9499189d13b59020382 Mon Sep 17 00:00:00 2001
   2 From: KY Srinivasan <kys@microsoft.com>
   3 Date: Wed, 9 Apr 2014 15:00:45 -0700
   4 Subject: [PATCH 12/25] Drivers: net: hyperv: Allocate memory for all possible
   5  per-pecket information
   6
   7 An outgoing packet can potentially need per-packet information for
   8 all the offloads and VLAN tagging. Fix this issue.
   9
  10 Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
  11 Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
  12 Signed-off-by: David S. Miller <davem@davemloft.net>
  13 ---
  14  drivers/net/hyperv/netvsc_drv.c | 4 +++-
  15  1 file changed, 3 insertions(+), 1 deletion(-)
  16
  17 diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
  18 index 5baa1fa7e692..c76c85176644 100644
  19 --- a/drivers/net/hyperv/netvsc_drv.c
  20 +++ b/drivers/net/hyperv/netvsc_drv.c
  21 @@ -320,7 +320,9 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
  22         packet = kzalloc(sizeof(struct hv_netvsc_packet) +
  23                          (num_data_pgs * sizeof(struct hv_page_buffer)) +
  24                          sizeof(struct rndis_message) +
  25 -                        NDIS_VLAN_PPI_SIZE, GFP_ATOMIC);
  26 +                        NDIS_VLAN_PPI_SIZE +
  27 +                        NDIS_CSUM_PPI_SIZE +
  28 +                        NDIS_LSO_PPI_SIZE, GFP_ATOMIC);
  29         if (!packet) {
  30                 /* out of memory, drop packet */
  31                 netdev_err(net, "unable to allocate hv_netvsc_packet\n");
  32 --
  33 2.4.3
  34