5 files changed, 8 insertions, 22 deletions

diff --git a/net/core/dv.c b/net/core/dv.c
index cf581407538c..29ee77f15932 100644
--- a/net/core/dv.c
+++ b/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);
         }
 
diff --git a/net/core/flow.c b/net/core/flow.c
index 55789f832eda..885a2f655db0 100644
--- a/net/core/flow.c
+++ b/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;
 
diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c
index b07c029e8219..3cad026764f0 100644
--- a/net/core/gen_estimator.c
+++ b/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;
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 0c8666872d10..2ec8693fb778 100644
--- a/net/core/neighbour.c
+++ b/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);
diff --git a/net/core/request_sock.c b/net/core/request_sock.c
index 1e44eda1fda9..79ebd75fbe4d 100644
--- a/net/core/request_sock.c
+++ b/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++);