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[NET] neighbour: Use kmemdup where applicable

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Arnaldo Carvalho de Melo 18 年之前
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b1a98bf685
共有 1 个文件被更改,包括 3 次插入4 次删除
  1. 3 4
      net/core/neighbour.c

+ 3 - 4
net/core/neighbour.c

@@ -1266,10 +1266,9 @@ void pneigh_enqueue(struct neigh_table *tbl, struct neigh_parms *p,
 struct neigh_parms *neigh_parms_alloc(struct net_device *dev,
 				      struct neigh_table *tbl)
 {
-	struct neigh_parms *p = kmalloc(sizeof(*p), GFP_KERNEL);
+	struct neigh_parms *p = kmemdup(&tbl->parms, sizeof(*p), GFP_KERNEL);
 
 	if (p) {
-		memcpy(p, &tbl->parms, sizeof(*p));
 		p->tbl		  = tbl;
 		atomic_set(&p->refcnt, 1);
 		INIT_RCU_HEAD(&p->rcu_head);
@@ -2625,14 +2624,14 @@ int neigh_sysctl_register(struct net_device *dev, struct neigh_parms *p,
 			  int p_id, int pdev_id, char *p_name, 
 			  proc_handler *handler, ctl_handler *strategy)
 {
-	struct neigh_sysctl_table *t = kmalloc(sizeof(*t), GFP_KERNEL);
+	struct neigh_sysctl_table *t = kmemdup(&neigh_sysctl_template,
+					       sizeof(*t), GFP_KERNEL);
 	const char *dev_name_source = NULL;
 	char *dev_name = NULL;
 	int err = 0;
 
 	if (!t)
 		return -ENOBUFS;
-	memcpy(t, &neigh_sysctl_template, sizeof(*t));
 	t->neigh_vars[0].data  = &p->mcast_probes;
 	t->neigh_vars[1].data  = &p->ucast_probes;
 	t->neigh_vars[2].data  = &p->app_probes;