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authorYOSHIFUJI Hideaki / 吉藤英明 <yoshfuji@linux-ipv6.org>2010-03-26 08:34:30 +0000
committerDavid S. Miller <davem@davemloft.net>2010-03-30 23:28:47 -0700
commitde7737e056d65ad6b0f135f7bb24d86458af0d47 (patch)
tree97eb9cb157c92359a09fe54e30f635b113a1e5d8 /net/sctp/ipv6.c
parentd57b8fb8a8f94bdf467a4435be7d8bbebf87fe2a (diff)
sctp: Use ipv6_addr_diff() in sctp_v6_addr_match_len().
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/ipv6.c')
-rw-r--r--net/sctp/ipv6.c15
1 files changed, 1 insertions, 14 deletions
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 240dceba06e..216d88f2723 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -276,20 +276,7 @@ static struct dst_entry *sctp_v6_get_dst(struct sctp_association *asoc,
static inline int sctp_v6_addr_match_len(union sctp_addr *s1,
union sctp_addr *s2)
{
- struct in6_addr *a1 = &s1->v6.sin6_addr;
- struct in6_addr *a2 = &s2->v6.sin6_addr;
- int i, j;
-
- for (i = 0; i < 4 ; i++) {
- __be32 a1xora2;
-
- a1xora2 = a1->s6_addr32[i] ^ a2->s6_addr32[i];
-
- if ((j = fls(ntohl(a1xora2))))
- return (i * 32 + 32 - j);
- }
-
- return (i*32);
+ return ipv6_addr_diff(&s1->v6.sin6_addr, &s2->v6.sin6_addr);
}
/* Fills in the source address(saddr) based on the destination address(daddr)