datapath: Check vswitch_skb_checksum_setup() return code.

[sliver-openvswitch.git] / datapath / vport-gre.c

diff --git a/datapath/vport-gre.c b/datapath/vport-gre.c
index 98e0abc..c71cc34 100644 (file)
--- a/datapath/vport-gre.c
+++ b/datapath/vport-gre.c
@@ -1131,7 +1131,9 @@ gre_send(struct vport *vport, struct sk_buff *skb)
        }
 
        forward_ip_summed(skb);
-       vswitch_skb_checksum_setup(skb);
+
+       if (unlikely(vswitch_skb_checksum_setup(skb)))
+               goto error_free;
 
        skb = handle_gso(skb);
        if (unlikely(IS_ERR(skb))) {