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authorAkinobu Mita <akinobu.mita@gmail.com>2012-11-16 20:39:49 +0000
committerDavid S. Miller <davem@davemloft.net>2012-11-17 22:01:18 -0500
commitfc184f089220f7abd604993d7c69218603c2ffb2 (patch)
tree5897c60c370d41e399c5ec6584fe36222a6f423b /net/sctp/tsnmap.c
parent67f4efdce7d85282fbd5832cddc80a07eb89b6d6 (diff)
sctp: use bitmap_weight
Use bitmap_weight to count the total number of bits set in bitmap. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Vlad Yasevich <vyasevich@gmail.com> Cc: Sridhar Samudrala <sri@us.ibm.com> Cc: linux-sctp@vger.kernel.org Cc: netdev@vger.kernel.org Acked-by: Vlad Yasevich <vyasevich@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/tsnmap.c')
-rw-r--r--net/sctp/tsnmap.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/net/sctp/tsnmap.c b/net/sctp/tsnmap.c
index b5fb7c409023..5f25e0c92c31 100644
--- a/net/sctp/tsnmap.c
+++ b/net/sctp/tsnmap.c
@@ -272,7 +272,7 @@ __u16 sctp_tsnmap_pending(struct sctp_tsnmap *map)
__u32 max_tsn = map->max_tsn_seen;
__u32 base_tsn = map->base_tsn;
__u16 pending_data;
- u32 gap, i;
+ u32 gap;
pending_data = max_tsn - cum_tsn;
gap = max_tsn - base_tsn;
@@ -280,11 +280,7 @@ __u16 sctp_tsnmap_pending(struct sctp_tsnmap *map)
if (gap == 0 || gap >= map->len)
goto out;
- for (i = 0; i < gap+1; i++) {
- if (test_bit(i, map->tsn_map))
- pending_data--;
- }
-
+ pending_data -= bitmap_weight(map->tsn_map, gap + 1);
out:
return pending_data;
}