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[SCHED]: Use kmemdup & kzalloc where appropriate

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Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2006-11-21 01:19:40 -02:00 committed by David S. Miller
parent b3ab09f9e1
commit c7b1b24978
6 changed files with 7 additions and 15 deletions
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6
net/sched/act_ipt.c
View File

@ -156,10 +156,9 @@ static int tcf_ipt_init(struct rtattr *rta, struct rtattr *est,
rtattr_strlcpy(tname, tb[TCA_IPT_TABLE-1], IFNAMSIZ) >= IFNAMSIZ)
strcpy(tname, "mangle");
t = kmalloc(td->u.target_size, GFP_KERNEL);
t = kmemdup(td, td->u.target_size, GFP_KERNEL);
if (unlikely(!t))
goto err2;
memcpy(t, td, td->u.target_size);
if ((err = ipt_init_target(t, tname, hook)) < 0)
goto err3;
@ -256,13 +255,12 @@ static int tcf_ipt_dump(struct sk_buff *skb, struct tc_action *a, int bind, int
** for foolproof you need to not assume this
*/
t = kmalloc(ipt->tcfi_t->u.user.target_size, GFP_ATOMIC);
t = kmemdup(ipt->tcfi_t, ipt->tcfi_t->u.user.target_size, GFP_ATOMIC);
if (unlikely(!t))
goto rtattr_failure;
c.bindcnt = ipt->tcf_bindcnt - bind;
c.refcnt = ipt->tcf_refcnt - ref;
memcpy(t, ipt->tcfi_t, ipt->tcfi_t->u.user.target_size);
strcpy(t->u.user.name, ipt->tcfi_t->u.kernel.target->name);
RTA_PUT(skb, TCA_IPT_TARG, ipt->tcfi_t->u.user.target_size, t);

3
net/sched/act_simple.c
View File

@ -71,11 +71,10 @@ static int tcf_simp_release(struct tcf_defact *d, int bind)
static int alloc_defdata(struct tcf_defact *d, u32 datalen, void *defdata)
{
d->tcfd_defdata = kmalloc(datalen, GFP_KERNEL);
d->tcfd_defdata = kmemdup(defdata, datalen, GFP_KERNEL);
if (unlikely(!d->tcfd_defdata))
return -ENOMEM;
d->tcfd_datalen = datalen;
memcpy(d->tcfd_defdata, defdata, datalen);
return 0;
}

3
net/sched/cls_api.c
View File

@ -217,7 +217,7 @@ static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
/* Create new proto tcf */
err = -ENOBUFS;
if ((tp = kmalloc(sizeof(*tp), GFP_KERNEL)) == NULL)
if ((tp = kzalloc(sizeof(*tp), GFP_KERNEL)) == NULL)
goto errout;
err = -EINVAL;
tp_ops = tcf_proto_lookup_ops(tca[TCA_KIND-1]);
@ -247,7 +247,6 @@ static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
kfree(tp);
goto errout;
}
memset(tp, 0, sizeof(*tp));
tp->ops = tp_ops;
tp->protocol = protocol;
tp->prio = nprio ? : tcf_auto_prio(*back);

3
net/sched/em_meta.c
View File

@ -546,10 +546,9 @@ static int meta_var_change(struct meta_value *dst, struct rtattr *rta)
{
int len = RTA_PAYLOAD(rta);
dst->val = (unsigned long) kmalloc(len, GFP_KERNEL);
dst->val = (unsigned long)kmemdup(RTA_DATA(rta), len, GFP_KERNEL);
if (dst->val == 0UL)
return -ENOMEM;
memcpy((void *) dst->val, RTA_DATA(rta), len);
dst->len = len;
return 0;
}

4
net/sched/em_nbyte.c
View File

@ -34,12 +34,10 @@ static int em_nbyte_change(struct tcf_proto *tp, void *data, int data_len,
return -EINVAL;
em->datalen = sizeof(*nbyte) + nbyte->len;
em->data = (unsigned long) kmalloc(em->datalen, GFP_KERNEL);
em->data = (unsigned long)kmemdup(data, em->datalen, GFP_KERNEL);
if (em->data == 0UL)
return -ENOBUFS;
memcpy((void *) em->data, data, em->datalen);
return 0;
}

3
net/sched/ematch.c
View File

@ -251,12 +251,11 @@ static int tcf_em_validate(struct tcf_proto *tp,
goto errout;
em->data = *(u32 *) data;
} else {
void *v = kmalloc(data_len, GFP_KERNEL);
void *v = kmemdup(data, data_len, GFP_KERNEL);
if (v == NULL) {
err = -ENOBUFS;
goto errout;
}
memcpy(v, data, data_len);
em->data = (unsigned long) v;
}
}