[SCHED]: Use kmemdup & kzalloc where appropriate
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index d8c9310..a960806 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -156,10 +156,9 @@
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 @@
** 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);
diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c
index 901571a..5fe8085 100644
--- a/net/sched/act_simple.c
+++ b/net/sched/act_simple.c
@@ -71,11 +71,10 @@
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;
}
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 37a1840..edb8fc9 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -217,7 +217,7 @@
/* 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 @@
kfree(tp);
goto errout;
}
- memset(tp, 0, sizeof(*tp));
tp->ops = tp_ops;
tp->protocol = protocol;
tp->prio = nprio ? : tcf_auto_prio(*back);
diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c
index d3ff350..45d47d3 100644
--- a/net/sched/em_meta.c
+++ b/net/sched/em_meta.c
@@ -546,10 +546,9 @@
{
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;
}
diff --git a/net/sched/em_nbyte.c b/net/sched/em_nbyte.c
index cc80bab..005db40 100644
--- a/net/sched/em_nbyte.c
+++ b/net/sched/em_nbyte.c
@@ -34,12 +34,10 @@
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;
}
diff --git a/net/sched/ematch.c b/net/sched/ematch.c
index 0fd0768..8f8a16d 100644
--- a/net/sched/ematch.c
+++ b/net/sched/ematch.c
@@ -251,12 +251,11 @@
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;
}
}