[NET]: More kzalloc conversions.

Signed-off-by: David S. Miller <davem@davemloft.net>

net/core/dv.c

@@ -55,15 +55,12 @@ int alloc_divert_blk(struct net_device *dev)
 
 	dev->divert = NULL;
 	if (dev->type == ARPHRD_ETHER) {
-		dev->divert = (struct divert_blk *)
-			kmalloc(alloc_size, GFP_KERNEL);
+		dev->divert = kzalloc(alloc_size, GFP_KERNEL);
 		if (dev->divert == NULL) {
 			printk(KERN_INFO "divert: unable to allocate divert_blk for %s\n",
 			       dev->name);
 			return -ENOMEM;
 		}
-
-		memset(dev->divert, 0, sizeof(struct divert_blk));
 		dev_hold(dev);
 	}
 

net/core/flow.c

@@ -318,12 +318,10 @@ static void __devinit flow_cache_cpu_prepare(int cpu)
 		/* NOTHING */;
 
 	flow_table(cpu) = (struct flow_cache_entry **)
-		__get_free_pages(GFP_KERNEL, order);
+		__get_free_pages(GFP_KERNEL|__GFP_ZERO, order);
 	if (!flow_table(cpu))
 		panic("NET: failed to allocate flow cache order %lu\n", order);
 
-	memset(flow_table(cpu), 0, PAGE_SIZE << order);
-
 	flow_hash_rnd_recalc(cpu) = 1;
 	flow_count(cpu) = 0;
 

net/core/gen_estimator.c

@@ -159,11 +159,10 @@ int gen_new_estimator(struct gnet_stats_basic *bstats,
 	if (parm->interval < -2 || parm->interval > 3)
 		return -EINVAL;
 
-	est = kmalloc(sizeof(*est), GFP_KERNEL);
+	est = kzalloc(sizeof(*est), GFP_KERNEL);
 	if (est == NULL)
 		return -ENOBUFS;
 
-	memset(est, 0, sizeof(*est));
 	est->interval = parm->interval + 2;
 	est->bstats = bstats;
 	est->rate_est = rate_est;

net/core/neighbour.c

@@ -284,14 +284,11 @@ static struct neighbour **neigh_hash_alloc(unsigned int entries)
 	struct neighbour **ret;
 
 	if (size <= PAGE_SIZE) {
-		ret = kmalloc(size, GFP_ATOMIC);
+		ret = kzalloc(size, GFP_ATOMIC);
 	} else {
 		ret = (struct neighbour **)
-			__get_free_pages(GFP_ATOMIC, get_order(size));
+		      __get_free_pages(GFP_ATOMIC|__GFP_ZERO, get_order(size));
 	}
-	if (ret)
-		memset(ret, 0, size);
-
 	return ret;
 }
 
@@ -1089,8 +1086,7 @@ static void neigh_hh_init(struct neighbour *n, struct dst_entry *dst,
 		if (hh->hh_type == protocol)
 			break;
 
-	if (!hh && (hh = kmalloc(sizeof(*hh), GFP_ATOMIC)) != NULL) {
-		memset(hh, 0, sizeof(struct hh_cache));
+	if (!hh && (hh = kzalloc(sizeof(*hh), GFP_ATOMIC)) != NULL) {
 		rwlock_init(&hh->hh_lock);
 		hh->hh_type = protocol;
 		atomic_set(&hh->hh_refcnt, 0);
@@ -1366,13 +1362,11 @@ void neigh_table_init(struct neigh_table *tbl)
 	tbl->hash_buckets = neigh_hash_alloc(tbl->hash_mask + 1);
 
 	phsize = (PNEIGH_HASHMASK + 1) * sizeof(struct pneigh_entry *);
-	tbl->phash_buckets = kmalloc(phsize, GFP_KERNEL);
+	tbl->phash_buckets = kzalloc(phsize, GFP_KERNEL);
 
 	if (!tbl->hash_buckets || !tbl->phash_buckets)
 		panic("cannot allocate neighbour cache hashes");
 
-	memset(tbl->phash_buckets, 0, phsize);
-
 	get_random_bytes(&tbl->hash_rnd, sizeof(tbl->hash_rnd));
 
 	rwlock_init(&tbl->lock);

net/core/request_sock.c

@@ -38,13 +38,11 @@ int reqsk_queue_alloc(struct request_sock_queue *queue,
 {
 	const int lopt_size = sizeof(struct listen_sock) +
 			      nr_table_entries * sizeof(struct request_sock *);
-	struct listen_sock *lopt = kmalloc(lopt_size, GFP_KERNEL);
+	struct listen_sock *lopt = kzalloc(lopt_size, GFP_KERNEL);
 
 	if (lopt == NULL)
 		return -ENOMEM;
 
-	memset(lopt, 0, lopt_size);
-
 	for (lopt->max_qlen_log = 6;
 	     (1 << lopt->max_qlen_log) < sysctl_max_syn_backlog;
 	     lopt->max_qlen_log++);