summaryrefslogtreecommitdiff
path: root/net/sctp/output.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/sctp/output.c')
-rw-r--r--net/sctp/output.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/net/sctp/output.c b/net/sctp/output.c
index 31b7bc358..81929907a 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -417,6 +417,7 @@ int sctp_packet_transmit(struct sctp_packet *packet, gfp_t gfp)
__u8 has_data = 0;
int gso = 0;
int pktcount = 0;
+ int auth_len = 0;
struct dst_entry *dst;
unsigned char *auth = NULL; /* pointer to auth in skb data */
@@ -505,7 +506,12 @@ int sctp_packet_transmit(struct sctp_packet *packet, gfp_t gfp)
list_for_each_entry(chunk, &packet->chunk_list, list) {
int padded = WORD_ROUND(chunk->skb->len);
- if (pkt_size + padded > tp->pathmtu)
+ if (chunk == packet->auth)
+ auth_len = padded;
+ else if (auth_len + padded + packet->overhead >
+ tp->pathmtu)
+ goto nomem;
+ else if (pkt_size + padded > tp->pathmtu)
break;
pkt_size += padded;
}