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[PKT_SCHED]: Fix datalen check in tcf_simp_init(). 

datalen is unsigned so it can never be less than zero,
but that's ok because the attribute passed to nla_len()
has been validated and therefore a negative return
value is impossible.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2008-04-17 23:19:55 -07:00 committed by David S. Miller
parent 53083773dc
commit f5ba2d3217
1 changed files with 1 additions and 1 deletions
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2
net/sched/act_simple.c
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@ -115,7 +115,7 @@ static int tcf_simp_init(struct nlattr *nla, struct nlattr *est,
return -EINVAL;
datalen = nla_len(tb[TCA_DEF_DATA]);
if (datalen <= 0)
if (datalen == 0)
return -EINVAL;
pc = tcf_hash_check(parm->index, a, bind, &simp_hash_info);