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| author | David S. Miller <davem@davemloft.net> | 2016-10-30 17:42:58 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-10-30 17:42:58 +0100 |
| commit | 27058af401e49d88a905df000dd26f443fcfa8ce (patch) | |
| tree | 819f32113d3b8374b9fbf72e2202d4c4d4511a60 /net/sctp/output.c | |
| parent | firewire: net: really fix maximum possible MTU (diff) | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff) | |
| download | linux-27058af401e49d88a905df000dd26f443fcfa8ce.tar.xz linux-27058af401e49d88a905df000dd26f443fcfa8ce.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Mostly simple overlapping changes.
For example, David Ahern's adjacency list revamp in 'net-next'
conflicted with an adjacency list traversal bug fix in 'net'.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/output.c')
| -rw-r--r-- | net/sctp/output.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/net/sctp/output.c b/net/sctp/output.c index 4282b488985b..7b50e4307485 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; } |