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 <[email protected]>
Signed-off-by: Jason Wang <[email protected]>
Acked-by: Eric Dumazet <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index fc8faa7..83905a9 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 @@
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++;
