2 files changed, 3 insertions, 0 deletions

diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index 1f8c1a95f57c..a2092f582a78 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -225,6 +225,7 @@ struct netlink_callback {
         int                     (*dump)(struct sk_buff * skb,
                                         struct netlink_callback *cb);
         int                     (*done)(struct netlink_callback *cb);
+        void                    *data;
         u16                     family;
         u16                     min_dump_alloc;
         unsigned int            prev_seq, seq;
@@ -251,6 +252,7 @@ __nlmsg_put(struct sk_buff *skb, u32 pid, u32 seq, int type, int len, int flags)
 struct netlink_dump_control {
         int (*dump)(struct sk_buff *skb, struct netlink_callback *);
         int (*done)(struct netlink_callback*);
+        void *data;
         u16 min_dump_alloc;
 };
 
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index ab74845876d2..32bb75324e76 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1750,6 +1750,7 @@ int netlink_dump_start(struct sock *ssk, struct sk_buff *skb,
         cb->dump = control->dump;
         cb->done = control->done;
         cb->nlh = nlh;
+        cb->data = control->data;
         cb->min_dump_alloc = control->min_dump_alloc;
         atomic_inc(&skb->users);
         cb->skb = skb;