netdev - [PATCH next v3 2/2] sctp: make use of SCTP

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Message-Id: <f5d391430199633c90ba8d67f6647a627b7543f6.1474457954.git.marcelo.leitner@gmail.com>
Date:   Wed, 21 Sep 2016 08:45:56 -0300
From:   Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
To:     netdev@...r.kernel.org
Cc:     linux-sctp@...r.kernel.org, Neil Horman <nhorman@...driver.com>,
        Vlad Yasevich <vyasevich@...il.com>,
        David Miller <davem@...emloft.net>,
        David Laight <David.Laight@...LAB.COM>
Subject: [PATCH next v3 2/2] 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 <marcelo.leitner@...il.com>
---
When I checked it the other day I thought I had this patch applied by
the moment but I hadn't.

v2: updated patch summary

 net/sctp/chunk.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/net/sctp/chunk.c b/net/sctp/chunk.c
index 76eae828ec891076bc2360bf0ee89c3b650ef986..8afe2e90d003b9e1bbf233fd4e2fde0538ac65f6 100644
--- 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
-- 
2.7.4