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| author | Jamal Hadi Salim <hadi@cyberus.ca> | 2008-05-06 09:10:24 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-05-06 09:10:24 +0200 |
| commit | 9d1045ad68fcccfaf1393cc463ab6357693e8d1d (patch) | |
| tree | d34347a568ab3723022350dd6e11ec73a41f380b /net | |
| parent | iwlwifi: make IWLWIFI a tristate (diff) | |
| download | linux-9d1045ad68fcccfaf1393cc463ab6357693e8d1d.tar.xz linux-9d1045ad68fcccfaf1393cc463ab6357693e8d1d.zip | |
net_cls_act: act_simple dont ignore realloc code
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>
Diffstat (limited to 'net')
| -rw-r--r-- | net/sched/act_simple.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c index 269ab51cd9b2..1d421d059caf 100644 --- a/net/sched/act_simple.c +++ b/net/sched/act_simple.c @@ -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; |