ipv6: xfrm: Handle errors reported by xfrm6_find_1stfragopt()

[pandora-kernel.git] / net / ipv6 / xfrm6_mode_transport.c

diff --git a/net/ipv6/xfrm6_mode_transport.c b/net/ipv6/xfrm6_mode_transport.c
index 4e34410..1d3bbe6 100644 (file)
--- a/net/ipv6/xfrm6_mode_transport.c
+++ b/net/ipv6/xfrm6_mode_transport.c
@@ -28,6 +28,8 @@ static int xfrm6_transport_output(struct xfrm_state *x, struct sk_buff *skb)
        iph = ipv6_hdr(skb);
 
        hdr_len = x->type->hdr_offset(x, skb, &prevhdr);
+       if (hdr_len < 0)
+               return hdr_len;
        skb_set_mac_header(skb, (prevhdr - x->props.header_len) - skb->data);
        skb_set_network_header(skb, -x->props.header_len);
        skb->transport_header = skb->network_header + hdr_len;