1 files changed, 3 insertions, 2 deletions

diff --git a/net/ipv4/netfilter/nf_nat_proto_sctp.c b/net/ipv4/netfilter/nf_nat_proto_sctp.c
index 65e470bc6123..6983e41c0b0f 100644
--- a/net/ipv4/netfilter/nf_nat_proto_sctp.c
+++ b/net/ipv4/netfilter/nf_nat_proto_sctp.c
@@ -33,6 +33,7 @@ sctp_manip_pkt(struct sk_buff *skb,
                enum nf_nat_manip_type maniptype)
 {
         const struct iphdr *iph = (struct iphdr *)(skb->data + iphdroff);
+        struct sk_buff *frag;
         sctp_sctphdr_t *hdr;
         unsigned int hdroff = iphdroff + iph->ihl*4;
         __be32 oldip, newip;
@@ -57,8 +58,8 @@ sctp_manip_pkt(struct sk_buff *skb,
         }
 
         crc32 = sctp_start_cksum((u8 *)hdr, skb_headlen(skb) - hdroff);
-        for (skb = skb_shinfo(skb)->frag_list; skb; skb = skb->next)
-                crc32 = sctp_update_cksum((u8 *)skb->data, skb_headlen(skb),
+        skb_walk_frags(skb, frag);
+                crc32 = sctp_update_cksum((u8 *)frag->data, skb_headlen(frag),
                                           crc32);
         crc32 = sctp_end_cksum(crc32);
         hdr->checksum = crc32;