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net_cls_act: act_simple dont ignore realloc code

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reallocation of the policy data was being ignored. It could fail.
Simplify so that there is no need for reallocating.

Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jamal Hadi Salim 2008-05-06 00:10:24 -07:00 committed by David S. Miller
parent 1da5ea1a8b
commit 9d1045ad68
1 changed files with 9 additions and 8 deletions
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17
net/sched/act_simple.c
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@ -79,10 +79,14 @@ static int alloc_defdata(struct tcf_defact *d, char *defdata)
return 0;
}
static int realloc_defdata(struct tcf_defact *d, char *defdata)
static void reset_policy(struct tcf_defact *d, char *defdata,
struct tc_defact *p)
{
kfree(d->tcfd_defdata);
return alloc_defdata(d, defdata);
spin_lock_bh(&d->tcf_lock);
d->tcf_action = p->action;
memset(d->tcfd_defdata, 0, SIMP_MAX_DATA);
strlcpy(d->tcfd_defdata, defdata, SIMP_MAX_DATA);
spin_unlock_bh(&d->tcf_lock);
}
static const struct nla_policy simple_policy[TCA_DEF_MAX + 1] = {
@ -129,6 +133,7 @@ static int tcf_simp_init(struct nlattr *nla, struct nlattr *est,
kfree(pc);
return ret;
}
d->tcf_action = parm->action;
ret = ACT_P_CREATED;
} else {
d = to_defact(pc);
@ -136,13 +141,9 @@ static int tcf_simp_init(struct nlattr *nla, struct nlattr *est,
tcf_simp_release(d, bind);
return -EEXIST;
}
realloc_defdata(d, defdata);
reset_policy(d, defdata, parm);
}
spin_lock_bh(&d->tcf_lock);
d->tcf_action = parm->action;
spin_unlock_bh(&d->tcf_lock);
if (ret == ACT_P_CREATED)
tcf_hash_insert(pc, &simp_hash_info);
return ret;