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-rw-r--r--net/netlink/diag.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/net/netlink/diag.c b/net/netlink/diag.c
index 1af29624b92f..de8c74a3c061 100644
--- a/net/netlink/diag.c
+++ b/net/netlink/diag.c
@@ -4,6 +4,7 @@
#include <linux/netlink.h>
#include <linux/sock_diag.h>
#include <linux/netlink_diag.h>
+#include <linux/rhashtable.h>
#include "af_netlink.h"
@@ -101,16 +102,20 @@ static int __netlink_diag_dump(struct sk_buff *skb, struct netlink_callback *cb,
int protocol, int s_num)
{
struct netlink_table *tbl = &nl_table[protocol];
- struct nl_portid_hash *hash = &tbl->hash;
+ struct rhashtable *ht = &tbl->hash;
+ const struct bucket_table *htbl = rht_dereference(ht->tbl, ht);
struct net *net = sock_net(skb->sk);
struct netlink_diag_req *req;
+ struct netlink_sock *nlsk;
struct sock *sk;
int ret = 0, num = 0, i;
req = nlmsg_data(cb->nlh);
- for (i = 0; i <= hash->mask; i++) {
- sk_for_each(sk, &hash->table[i]) {
+ for (i = 0; i < htbl->size; i++) {
+ rht_for_each_entry(nlsk, htbl->buckets[i], ht, node) {
+ sk = (struct sock *)nlsk;
+
if (!net_eq(sock_net(sk), net))
continue;
if (num < s_num) {
@@ -165,6 +170,7 @@ static int netlink_diag_dump(struct sk_buff *skb, struct netlink_callback *cb)
req = nlmsg_data(cb->nlh);
+ mutex_lock(&nl_sk_hash_lock);
read_lock(&nl_table_lock);
if (req->sdiag_protocol == NDIAG_PROTO_ALL) {
@@ -178,6 +184,7 @@ static int netlink_diag_dump(struct sk_buff *skb, struct netlink_callback *cb)
} else {
if (req->sdiag_protocol >= MAX_LINKS) {
read_unlock(&nl_table_lock);
+ mutex_unlock(&nl_sk_hash_lock);
return -ENOENT;
}
@@ -185,6 +192,7 @@ static int netlink_diag_dump(struct sk_buff *skb, struct netlink_callback *cb)
}
read_unlock(&nl_table_lock);
+ mutex_unlock(&nl_sk_hash_lock);
return skb->len;
}