netfilter: nf_tables: upfront validation of data via nft_data_init()

[linux-2.6-microblaze.git] / net / netfilter / xt_TCPMSS.c

diff --git a/net/netfilter/xt_TCPMSS.c b/net/netfilter/xt_TCPMSS.c
index 122db9f..116a885 100644 (file)
--- a/net/netfilter/xt_TCPMSS.c
+++ b/net/netfilter/xt_TCPMSS.c
@@ -239,8 +239,8 @@ tcpmss_tg6(struct sk_buff *skb, const struct xt_action_param *par)
                oldlen = ipv6h->payload_len;
                newlen = htons(ntohs(oldlen) + ret);
                if (skb->ip_summed == CHECKSUM_COMPLETE)
-                       skb->csum = csum_add(csum_sub(skb->csum, oldlen),
-                                            newlen);
+                       skb->csum = csum_add(csum_sub(skb->csum, (__force __wsum)oldlen),
+                                            (__force __wsum)newlen);
                ipv6h->payload_len = newlen;
        }
        return XT_CONTINUE;