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authorThomas Graf <tgraf@suug.ch>2005-11-05 23:14:14 +0300
committerThomas Graf <tgr@axs.localdomain>2005-11-06 00:02:26 +0300
commita8aaa9958eea2420e13d5a00c3fae934e0a3889e (patch)
tree1e85c385c7ce81afdf8bb7203df1ce56cd404892 /net/sched/sch_gred.c
parent6639607ed9deaed9ab3a1cc588f0288891ece2ac (diff)
downloadlinux-a8aaa9958eea2420e13d5a00c3fae934e0a3889e.tar.xz
[PKT_SCHED]: GRED: Report out-of-bound DPs as illegal
Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Diffstat (limited to 'net/sched/sch_gred.c')
-rw-r--r--net/sched/sch_gred.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c
index fdc20ced52ef..b04b07fcc2cf 100644
--- a/net/sched/sch_gred.c
+++ b/net/sched/sch_gred.c
@@ -451,12 +451,9 @@ static int gred_change(struct Qdisc *sch, struct rtattr *opt)
return -EINVAL;
ctl = RTA_DATA(tb[TCA_GRED_PARMS-1]);
- if (ctl->DP > MAX_DPs-1 ) {
- /* misbehaving is punished! Put in the default drop probability */
- DPRINTK("\nGRED: DP %u not in the proper range fixed. New DP "
- "set to default at %d\n",ctl->DP,table->def);
- ctl->DP=table->def;
- }
+
+ if (ctl->DP >= table->DPs)
+ return -EINVAL;
if (table->tab[ctl->DP] == NULL) {
table->tab[ctl->DP]=kmalloc(sizeof(struct gred_sched_data),