diff options
| -rw-r--r-- | net/sched/act_ipt.c | 6 | ||||
| -rw-r--r-- | net/sched/act_simple.c | 3 | ||||
| -rw-r--r-- | net/sched/cls_api.c | 3 | ||||
| -rw-r--r-- | net/sched/em_meta.c | 3 | ||||
| -rw-r--r-- | net/sched/em_nbyte.c | 4 | ||||
| -rw-r--r-- | net/sched/ematch.c | 3 |
6 files changed, 7 insertions, 15 deletions
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c index d8c9310da6e5..a9608064a4c3 100644 --- a/net/sched/act_ipt.c +++ b/net/sched/act_ipt.c @@ -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); diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c index 901571a67707..5fe80854ca91 100644 --- a/net/sched/act_simple.c +++ b/net/sched/act_simple.c @@ -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; } diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c index 37a184021647..edb8fc97ae11 100644 --- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -217,7 +217,7 @@ replay: /* 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 @@ replay: 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 d3ff3503326a..45d47d37155e 100644 --- a/net/sched/em_meta.c +++ b/net/sched/em_meta.c @@ -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; } diff --git a/net/sched/em_nbyte.c b/net/sched/em_nbyte.c index cc80babfd79f..005db409be64 100644 --- a/net/sched/em_nbyte.c +++ b/net/sched/em_nbyte.c @@ -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; } diff --git a/net/sched/ematch.c b/net/sched/ematch.c index 0fd0768a17c6..8f8a16da72a8 100644 --- a/net/sched/ematch.c +++ b/net/sched/ematch.c @@ -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; } } |