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authorPatrick McHardy <kaber@trash.net>2008-01-23 20:36:30 -0800
committerDavid S. Miller <davem@davemloft.net>2008-01-28 15:11:23 -0800
commit53b2bf3f8a652c9c8e86831f94ae2c5767ea54d7 (patch)
treeeba61efed08a932766a32b0b6a60e766f8b44bcb /net/sched/act_simple.c
parent6fa8c0144b770dac941cf2c15053b6e24f046c8a (diff)
[NET_SCHED]: Use nla_policy for attribute validation in actions
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/act_simple.c')
-rw-r--r--net/sched/act_simple.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c
index cedaadf18eb2..fbde461b716c 100644
--- a/net/sched/act_simple.c
+++ b/net/sched/act_simple.c
@@ -84,6 +84,10 @@ static int realloc_defdata(struct tcf_defact *d, u32 datalen, void *defdata)
return alloc_defdata(d, datalen, defdata);
}
+static const struct nla_policy simple_policy[TCA_DEF_MAX + 1] = {
+ [TCA_DEF_PARMS] = { .len = sizeof(struct tc_defact) },
+};
+
static int tcf_simp_init(struct nlattr *nla, struct nlattr *est,
struct tc_action *a, int ovr, int bind)
{
@@ -102,8 +106,7 @@ static int tcf_simp_init(struct nlattr *nla, struct nlattr *est,
if (err < 0)
return err;
- if (tb[TCA_DEF_PARMS] == NULL ||
- nla_len(tb[TCA_DEF_PARMS]) < sizeof(*parm))
+ if (tb[TCA_DEF_PARMS] == NULL)
return -EINVAL;
parm = nla_data(tb[TCA_DEF_PARMS]);