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Kirill Smelkov
linux
Commits
5568a809
Commit
5568a809
authored
Sep 26, 2002
by
Martin Devera
Committed by
David S. Miller
Sep 26, 2002
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Plain Diff
net/sched/sch_htb.c: Verify classid and direct_qlen properly.
parent
b0cb4be7
Changes
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net/sched/sch_htb.c
net/sched/sch_htb.c
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net/sched/sch_htb.c
View file @
5568a809
...
...
@@ -1163,6 +1163,8 @@ static int htb_init(struct Qdisc *sch, struct rtattr *opt)
skb_queue_head_init
(
&
q
->
direct_queue
);
q
->
direct_qlen
=
sch
->
dev
->
tx_queue_len
;
if
(
q
->
direct_qlen
<
2
)
/* some devices have zero tx_queue_len */
q
->
direct_qlen
=
2
;
q
->
timer
.
function
=
htb_timer
;
q
->
timer
.
data
=
(
unsigned
long
)
sch
;
...
...
@@ -1429,6 +1431,10 @@ static int htb_change_class(struct Qdisc *sch, u32 classid,
if
(
!
rtab
||
!
ctab
)
goto
failure
;
if
(
!
cl
)
{
/* new class */
/* check for valid classid */
if
(
!
classid
||
TC_H_MAJ
(
classid
^
sch
->
handle
)
||
htb_find
(
classid
,
sch
))
goto
failure
;
/* check maximal depth */
if
(
parent
&&
parent
->
parent
&&
parent
->
parent
->
level
<
2
)
{
printk
(
KERN_ERR
"htb: tree is too deep
\n
"
);
...
...
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