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| author | Stephen Hemminger <stephen.hemminger@vyatta.com> | 2008-01-20 17:19:43 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-01-28 15:08:15 -0800 |
| commit | d46f8dd87d9e7d5356891cbe97b8472e74db1413 (patch) | |
| tree | d241545e59e75966cecd9c28afb0ecab02f728ce /net | |
| parent | d3e994830d35159320d0a98c36aa580410c29609 (diff) | |
| download | kernel_samsung_espresso10-d46f8dd87d9e7d5356891cbe97b8472e74db1413.zip kernel_samsung_espresso10-d46f8dd87d9e7d5356891cbe97b8472e74db1413.tar.gz kernel_samsung_espresso10-d46f8dd87d9e7d5356891cbe97b8472e74db1413.tar.bz2 | |
[PKT_SCHED] SFQ: use net_random
SFQ doesn't need true random numbers, it is only using them to salt a
hash. Therefore it is better to use net_random() and avoid any
possible problems with depleting the entropy pool.
Signed-off-by: Stephen Hemminger <stephen.hemminger@vyatta.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/sched/sch_sfq.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c index ba3a85e..4179758 100644 --- a/net/sched/sch_sfq.c +++ b/net/sched/sch_sfq.c @@ -386,7 +386,7 @@ static void sfq_perturbation(unsigned long arg) struct Qdisc *sch = (struct Qdisc*)arg; struct sfq_sched_data *q = qdisc_priv(sch); - get_random_bytes(&q->perturbation, 4); + q->perturbation = net_random(); if (q->perturb_period) mod_timer(&q->perturb_timer, jiffies + q->perturb_period); @@ -415,7 +415,7 @@ static int sfq_change(struct Qdisc *sch, struct rtattr *opt) del_timer(&q->perturb_timer); if (q->perturb_period) { mod_timer(&q->perturb_timer, jiffies + q->perturb_period); - get_random_bytes(&q->perturbation, 4); + q->perturbation = net_random(); } sch_tree_unlock(sch); return 0; @@ -443,7 +443,7 @@ static int sfq_init(struct Qdisc *sch, struct rtattr *opt) if (opt == NULL) { q->quantum = psched_mtu(sch->dev); q->perturb_period = 0; - get_random_bytes(&q->perturbation, 4); + q->perturbation = net_random(); } else { int err = sfq_change(sch, opt); if (err) |