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Diffstat (limited to 'include/net/sctp/sctp.h')
-rw-r--r--include/net/sctp/sctp.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index f7ae6b0a21d0..25c5c8768818 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -441,9 +441,11 @@ static inline int sctp_list_single_entry(struct list_head *head)
static inline int sctp_frag_point(const struct sctp_association *asoc, int pmtu)
{
struct sctp_sock *sp = sctp_sk(asoc->base.sk);
+ struct sctp_af *af = sp->pf->af;
int frag = pmtu;
- frag -= sp->pf->af->net_header_len;
+ frag -= af->ip_options_len(asoc->base.sk);
+ frag -= af->net_header_len;
frag -= sizeof(struct sctphdr) + sctp_datachk_len(&asoc->stream);
if (asoc->user_frag)