Use bitmap_weight to count the total number of bits set in bitmap.
Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Cc: Vlad Yasevich <vyasevich@xxxxxxxxx>
Cc: Sridhar Samudrala <sri@xxxxxxxxxx>
Cc: linux-sctp@xxxxxxxxxxxxxxx
Cc: netdev@xxxxxxxxxxxxxxx
---
net/sctp/tsnmap.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/net/sctp/tsnmap.c b/net/sctp/tsnmap.c
index b5fb7c4..5f25e0c 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;
}
--
1.7.11.7
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