X-Git-Url: http://git.cascardo.eti.br/?p=cascardo%2Flinux.git;a=blobdiff_plain;f=net%2Fsctp%2Foutput.c;h=6cb0df859195ecea93105e396e43f181e53f2e79;hp=2a5c1896d18fa674f0e0e84ff6787d04914b2b73;hb=ecc515d7238f;hpb=293de7dee4f9602676846dbeb84b1580123306b4

diff --git a/net/sctp/output.c b/net/sctp/output.c
index 2a5c1896d18f..6cb0df859195 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -418,6 +418,7 @@ 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 */
 
@@ -510,7 +511,12 @@ int sctp_packet_transmit(struct sctp_packet *packet, gfp_t gfp)
 			list_for_each_entry(chunk, &packet->chunk_list, list) {
 				int padded = SCTP_PAD4(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;
 			}