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-rw-r--r--net/sctp/chunk.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/sctp/chunk.c b/net/sctp/chunk.c
index bd0bdd0ba8f..7bd5ed4a865 100644
--- a/net/sctp/chunk.c
+++ b/net/sctp/chunk.c
@@ -195,9 +195,9 @@ struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *asoc,
/* This is the biggest possible DATA chunk that can fit into
* the packet
*/
- max_data = asoc->pathmtu -
+ max_data = (asoc->pathmtu -
sctp_sk(asoc->base.sk)->pf->af->net_header_len -
- sizeof(struct sctphdr) - sizeof(struct sctp_data_chunk);
+ sizeof(struct sctphdr) - sizeof(struct sctp_data_chunk)) & ~3;
max = asoc->frag_point;
/* If the the peer requested that we authenticate DATA chunks