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| author | Gerrit Renker <gerrit@erg.abdn.ac.uk> | 2008-08-23 13:28:27 +0200 |
|---|---|---|
| committer | Gerrit Renker <gerrit@erg.abdn.ac.uk> | 2008-08-27 07:22:00 +0200 |
| commit | eff253c4272cd2aac95ccff46d3d2e1a495f22b1 (patch) | |
| tree | d33ffe2bf87b27046bd032ae49d04f012558ae75 /net/dccp | |
| parent | 157439fa4a9b38ac4ce41e2fc379fc5031affec8 (diff) | |
| download | linux-eff253c4272cd2aac95ccff46d3d2e1a495f22b1.tar.bz2 | |
dccp ccid-3: Replace lazy BUG_ON with condition
The BUG_ON(w_tot == 0) only holds if there is no more than 1 loss interval in
the loss history. If there is only a single loss interval, the calc_i_mean()
routine need in fact not be called (RFC 3448, 6.3.1).
Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Diffstat (limited to 'net/dccp')
| -rw-r--r-- | net/dccp/ccids/lib/loss_interval.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/net/dccp/ccids/lib/loss_interval.c b/net/dccp/ccids/lib/loss_interval.c index bcd6ac415bb9..5b3ce0688c5c 100644 --- a/net/dccp/ccids/lib/loss_interval.c +++ b/net/dccp/ccids/lib/loss_interval.c @@ -67,7 +67,10 @@ static void tfrc_lh_calc_i_mean(struct tfrc_loss_hist *lh) u32 i_i, i_tot0 = 0, i_tot1 = 0, w_tot = 0; int i, k = tfrc_lh_length(lh) - 1; /* k is as in rfc3448bis, 5.4 */ - for (i=0; i <= k; i++) { + if (k <= 0) + return; + + for (i = 0; i <= k; i++) { i_i = tfrc_lh_get_interval(lh, i); if (i < k) { @@ -78,7 +81,6 @@ static void tfrc_lh_calc_i_mean(struct tfrc_loss_hist *lh) i_tot1 += i_i * tfrc_lh_weights[i-1]; } - BUG_ON(w_tot == 0); lh->i_mean = max(i_tot0, i_tot1) / w_tot; } |