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net: fix nla_policy_len to actually _iterate_ over the policy

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Currently nla_policy_len always returns n * NLA_HDRLEN:
It loops, but does not advance it's iterator.
NLA_UNSPEC == 0 does not contain a .len in any policy.

Trivially fixed by adding p++.

Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lars Ellenberg 2011-02-28 12:38:25 -08:00 committed by David S. Miller
parent f5a4532528
commit e3fa3aff0c
1 changed files with 1 additions and 1 deletions
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2
lib/nlattr.c
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@ -148,7 +148,7 @@ nla_policy_len(const struct nla_policy *p, int n)
{
int i, len = 0;
for (i = 0; i < n; i++) {
for (i = 0; i < n; i++, p++) {
if (p->len)
len += nla_total_size(p->len);
else if (nla_attr_minlen[p->type])