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authorMarcelo Ricardo Leitner <marcelo.leitner@gmail.com>2016-03-19 12:17:43 -0300
committerDavid S. Miller <davem@davemloft.net>2016-03-20 16:31:12 -0400
commit659e0bcaebc4ca36e64eac6e9f39c1904b17472c (patch)
tree129c2135a113c80baf5026164e2f9ee097931574 /include/net
parent3822a5ff4bc32043fa9c7b6d6f125bcdca6da39c (diff)
downloadlinux-659e0bcaebc4ca36e64eac6e9f39c1904b17472c.tar.bz2
sctp: keep fragmentation point aligned to word size
If the user supply a different fragmentation point or if there is a network header that cause it to not be aligned, force it to be aligned. Fragmentation point at a value that is not aligned is not optimal. It causes extra padding to be used and has just no pros. v2: - Make use of the new WORD_TRUNC macro Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net')
-rw-r--r--include/net/sctp/sctp.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index ad2136caa7d6..65521cfdcade 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -431,7 +431,7 @@ static inline int sctp_frag_point(const struct sctp_association *asoc, int pmtu)
if (asoc->user_frag)
frag = min_t(int, frag, asoc->user_frag);
- frag = min_t(int, frag, SCTP_MAX_CHUNK_LEN);
+ frag = WORD_TRUNC(min_t(int, frag, SCTP_MAX_CHUNK_LEN));
return frag;
}