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| author | Akinobu Mita <akinobu.mita@gmail.com> | 2012-11-17 00:39:49 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-11-18 07:01:18 +0400 |
| commit | fc184f089220f7abd604993d7c69218603c2ffb2 (patch) | |
| tree | 5897c60c370d41e399c5ec6584fe36222a6f423b | |
| parent | 67f4efdce7d85282fbd5832cddc80a07eb89b6d6 (diff) | |
| download | linux-fc184f089220f7abd604993d7c69218603c2ffb2.tar.xz | |
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>
| -rw-r--r-- | net/sctp/tsnmap.c | 8 |
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; } |