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Commit fc184f089220f7abd604993d7c69218603c2ffb2

Authored by Akinobu Mita
Committed by David S. Miller
1 parent 67f4efdce7
Exists in smarc-l5.0.0_1.0.0-ga and in 5 other branches imx_3.10.17_1.0.1_ga, imx_3.10.53_1.1.0_ga, imx_3.14.28_1.0.0_ga, smarc-imx_3.10.53_1.1.0_ga, smarc-imx_3.14.28_1.0.0_ga

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>

Showing 1 changed file with 2 additions and 6 deletions Side-by-side Diff

... ... @@ -272,7 +272,7 @@
272 272 __u32 max_tsn = map->max_tsn_seen;
273 273 __u32 base_tsn = map->base_tsn;
274 274 __u16 pending_data;
275   - u32 gap, i;
  275 + u32 gap;
276 276  
277 277 pending_data = max_tsn - cum_tsn;
278 278 gap = max_tsn - base_tsn;
... ... @@ -280,11 +280,7 @@
280 280 if (gap == 0 || gap >= map->len)
281 281 goto out;
282 282  
283   - for (i = 0; i < gap+1; i++) {
284   - if (test_bit(i, map->tsn_map))
285   - pending_data--;
286   - }
287   -
  283 + pending_data -= bitmap_weight(map->tsn_map, gap + 1);
288 284 out:
289 285 return pending_data;
290 286 }