Merge git://git.infradead.org/hdrcleanup-2.6

[pandora-kernel.git] / net / core / neighbour.c

diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 0c86668..50a8c73 100644 (file)
--- 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);
@@ -1330,8 +1326,7 @@ void neigh_parms_destroy(struct neigh_parms *parms)
        kfree(parms);
 }
 
-
-void neigh_table_init(struct neigh_table *tbl)
+void neigh_table_init_no_netlink(struct neigh_table *tbl)
 {
        unsigned long now = jiffies;
        unsigned long phsize;
@@ -1366,13 +1361,11 @@ 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);
@@ -1389,10 +1382,27 @@ void neigh_table_init(struct neigh_table *tbl)
 
        tbl->last_flush = now;
        tbl->last_rand  = now + tbl->parms.reachable_time * 20;
+}
+
+void neigh_table_init(struct neigh_table *tbl)
+{
+       struct neigh_table *tmp;
+
+       neigh_table_init_no_netlink(tbl);
        write_lock(&neigh_tbl_lock);
+       for (tmp = neigh_tables; tmp; tmp = tmp->next) {
+               if (tmp->family == tbl->family)
+                       break;
+       }
        tbl->next       = neigh_tables;
        neigh_tables    = tbl;
        write_unlock(&neigh_tbl_lock);
+
+       if (unlikely(tmp)) {
+               printk(KERN_ERR "NEIGH: Registering multiple tables for "
+                      "family %d\n", tbl->family);
+               dump_stack();
+       }
 }
 
 int neigh_table_clear(struct neigh_table *tbl)
@@ -1633,7 +1643,7 @@ static int neightbl_fill_info(struct neigh_table *tbl, struct sk_buff *skb,
 
                memset(&ndst, 0, sizeof(ndst));
 
-               for_each_cpu(cpu) {
+               for_each_possible_cpu(cpu) {
                        struct neigh_statistics *st;
 
                        st = per_cpu_ptr(tbl->stats, cpu);
@@ -2663,6 +2673,7 @@ EXPORT_SYMBOL(neigh_rand_reach_time);
 EXPORT_SYMBOL(neigh_resolve_output);
 EXPORT_SYMBOL(neigh_table_clear);
 EXPORT_SYMBOL(neigh_table_init);
+EXPORT_SYMBOL(neigh_table_init_no_netlink);
 EXPORT_SYMBOL(neigh_update);
 EXPORT_SYMBOL(neigh_update_hhs);
 EXPORT_SYMBOL(pneigh_enqueue);