1 files changed, 10 insertions, 7 deletions

diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 17cb400ecd6a..f6fc5c1a4078 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -208,7 +208,8 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
 	sp = sctp_sk(asoc->base.sk);
 	num_types = sp->pf->supported_addrs(sp, types);
 
-	chunksize = sizeof(init) + addrs_len + SCTP_SAT_LEN(num_types);
+	chunksize = sizeof(init) + addrs_len;
+	chunksize += WORD_ROUND(SCTP_SAT_LEN(num_types));
 	chunksize += sizeof(ecap_param);
 
 	if (sctp_prsctp_enable)
@@ -238,14 +239,14 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
 		/* Add HMACS parameter length if any were defined */
 		auth_hmacs = (sctp_paramhdr_t *)asoc->c.auth_hmacs;
 		if (auth_hmacs->length)
-			chunksize += ntohs(auth_hmacs->length);
+			chunksize += WORD_ROUND(ntohs(auth_hmacs->length));
 		else
 			auth_hmacs = NULL;
 
 		/* Add CHUNKS parameter length */
 		auth_chunks = (sctp_paramhdr_t *)asoc->c.auth_chunks;
 		if (auth_chunks->length)
-			chunksize += ntohs(auth_chunks->length);
+			chunksize += WORD_ROUND(ntohs(auth_chunks->length));
 		else
 			auth_chunks = NULL;
 
@@ -255,7 +256,8 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc,
 
 	/* If we have any extensions to report, account for that */
 	if (num_ext)
-		chunksize += sizeof(sctp_supported_ext_param_t) + num_ext;
+		chunksize += WORD_ROUND(sizeof(sctp_supported_ext_param_t) +
+					num_ext);
 
 	/* RFC 2960 3.3.2 Initiation (INIT) (1)
 	 *
@@ -397,13 +399,13 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
 
 		auth_hmacs = (sctp_paramhdr_t *)asoc->c.auth_hmacs;
 		if (auth_hmacs->length)
-			chunksize += ntohs(auth_hmacs->length);
+			chunksize += WORD_ROUND(ntohs(auth_hmacs->length));
 		else
 			auth_hmacs = NULL;
 
 		auth_chunks = (sctp_paramhdr_t *)asoc->c.auth_chunks;
 		if (auth_chunks->length)
-			chunksize += ntohs(auth_chunks->length);
+			chunksize += WORD_ROUND(ntohs(auth_chunks->length));
 		else
 			auth_chunks = NULL;
 
@@ -412,7 +414,8 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc,
 	}
 
 	if (num_ext)
-		chunksize += sizeof(sctp_supported_ext_param_t) + num_ext;
+		chunksize += WORD_ROUND(sizeof(sctp_supported_ext_param_t) +
+					num_ext);
 
 	/* Now allocate and fill out the chunk.  */
 	retval = sctp_make_chunk(asoc, SCTP_CID_INIT_ACK, 0, chunksize);