ip_gre: allow CSUM capable devices to handle packets

If device is not able to handle checksumming it will
be handled in dev_xmit

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 5 deletions

diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index a56f1182c176..cdc31ac4a9df 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -745,12 +745,9 @@ static struct sk_buff *handle_offloads(struct sk_buff *skb)
                         goto error;
                 skb_shinfo(skb)->gso_type |= SKB_GSO_GRE;
                 return skb;
-        } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
-                err = skb_checksum_help(skb);
-                if (unlikely(err))
-                        goto error;
         }
-        skb->ip_summed = CHECKSUM_NONE;
+        if (skb->ip_summed != CHECKSUM_PARTIAL)
+                skb->ip_summed = CHECKSUM_NONE;
 
         return skb;