Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d46f8dd87d9e7d5356891cbe97b8472e74db1413
Commit: d46f8dd87d9e7d5356891cbe97b8472e74db1413
Parent: d3e994830d35159320d0a98c36aa580410c29609
Author: Stephen Hemminger <[EMAIL PROTECTED]>
AuthorDate: Sun Jan 20 17:19:43 2008 -0800
Committer: David S. Miller <[EMAIL PROTECTED]>
CommitDate: Mon Jan 28 15:08:15 2008 -0800
[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 <[EMAIL PROTECTED]>
Acked-by: Paul E. McKenney <[EMAIL PROTECTED]>
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
---
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)
-
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