sctp: make use of SCTP_TRUNC4 macro

And avoid the usage of '&~3'. This is the last place still not using the macro. Also break the line to make it easier to read. Signed-off-by: Marcelo Ricardo Leitner <[email protected]> Signed-off-by: David S. Miller <[email protected]>
laijs · Sep 22, 2016 · 4a225ce · 4a225ce
1 parent e2f036a
commit 4a225ce
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/net/sctp/chunk.c b/net/sctp/chunk.c
@@ -195,9 +195,10 @@ 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 -
-		sctp_sk(asoc->base.sk)->pf->af->net_header_len -
-		sizeof(struct sctphdr) - sizeof(struct sctp_data_chunk)) & ~3;
+	max_data = asoc->pathmtu -
+		   sctp_sk(asoc->base.sk)->pf->af->net_header_len -
+		   sizeof(struct sctphdr) - sizeof(struct sctp_data_chunk);
+	max_data = SCTP_TRUNC4(max_data);
 
 	max = asoc->frag_point;
 	/* If the the peer requested that we authenticate DATA chunks