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authorJason Wang <jasowang@redhat.com>2013-03-27 03:11:22 +0400
committerDavid S. Miller <davem@davemloft.net>2013-03-27 20:48:31 +0400
commit40893fd0fd4e0eda8c6a53db6a8e6013b2d44c16 (patch)
treef61f8374d9a77385ef06012256b68633edb27e2c /drivers/net/xen-netback
parent5203cd28db6dc05c3618a602cf4cf81203d00257 (diff)
downloadlinux-40893fd0fd4e0eda8c6a53db6a8e6013b2d44c16.tar.xz
net: switch to use skb_probe_transport_header()
Switch to use the new help skb_probe_transport_header() to do the l4 header probing for untrusted sources. For packets with partial csum, the header should already been set by skb_partial_csum_set(). Cc: Eric Dumazet <edumazet@google.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/xen-netback')
-rw-r--r--drivers/net/xen-netback/netback.c10
1 files changed, 1 insertions, 9 deletions
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index fc8faa74b250..83905a97c56c 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -39,7 +39,6 @@
#include <linux/udp.h>
#include <net/tcp.h>
-#include <net/flow_keys.h>
#include <xen/xen.h>
#include <xen/events.h>
@@ -1506,14 +1505,7 @@ static void xen_netbk_tx_submit(struct xen_netbk *netbk)
continue;
}
- if (!skb_transport_header_was_set(skb)) {
- struct flow_keys keys;
-
- if (skb_flow_dissect(skb, &keys))
- skb_set_transport_header(skb, keys.thoff);
- else
- skb_reset_transport_header(skb);
- }
+ skb_probe_transport_header(skb, 0);
vif->dev->stats.rx_bytes += skb->len;
vif->dev->stats.rx_packets++;