[DCCP]: Sequence number wrap-around when sending reset
This replaces normal addition with mod-48 addition so that sequence number
wraparound is respected.
Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: Ian McDonald <ian.mcdonald@jandi.co.nz>
Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index 2c62828..58a79c2 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -552,7 +552,7 @@
/* See "8.3.1. Abnormal Termination" in RFC 4340 */
if (DCCP_SKB_CB(rxskb)->dccpd_ack_seq != DCCP_PKT_WITHOUT_ACK_SEQ)
- dccp_set_seqno(&seqno, DCCP_SKB_CB(rxskb)->dccpd_ack_seq + 1);
+ seqno = ADD48(DCCP_SKB_CB(rxskb)->dccpd_ack_seq, 1);
dccp_hdr_set_seq(dh, seqno);
dccp_hdr_set_ack(dccp_hdr_ack_bits(skb), DCCP_SKB_CB(rxskb)->dccpd_seq);
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index b158c66..d954e83 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -336,7 +336,7 @@
/* See "8.3.1. Abnormal Termination" in RFC 4340 */
if (DCCP_SKB_CB(rxskb)->dccpd_ack_seq != DCCP_PKT_WITHOUT_ACK_SEQ)
- dccp_set_seqno(&seqno, DCCP_SKB_CB(rxskb)->dccpd_ack_seq + 1);
+ seqno = ADD48(DCCP_SKB_CB(rxskb)->dccpd_ack_seq, 1);
dccp_hdr_set_seq(dh, seqno);
dccp_hdr_set_ack(dccp_hdr_ack_bits(skb), DCCP_SKB_CB(rxskb)->dccpd_seq);