netlink: remove netlink_broadcast_filtered

No users in tree since commit a3498436b3a0 ("netns: restrict uevents"),
so remove this functionality.

Cc: Christian Brauner <christian.brauner@ubuntu.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index 61b1c7f..1ec6318 100644 (file)
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -156,10 +156,6 @@ bool netlink_strict_get_check(struct sk_buff *skb);
 int netlink_unicast(struct sock *ssk, struct sk_buff *skb, __u32 portid, int nonblock);
 int netlink_broadcast(struct sock *ssk, struct sk_buff *skb, __u32 portid,
                      __u32 group, gfp_t allocation);
-int netlink_broadcast_filtered(struct sock *ssk, struct sk_buff *skb,
-                              __u32 portid, __u32 group, gfp_t allocation,
-                              int (*filter)(struct sock *dsk, struct sk_buff *skb, void *data),
-                              void *filter_data);
 int netlink_set_err(struct sock *ssk, __u32 portid, __u32 group, int code);
 int netlink_register_notifier(struct notifier_block *nb);
 int netlink_unregister_notifier(struct notifier_block *nb);

diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 24b7cf4..4f5f93f 100644 (file)
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1407,8 +1407,6 @@ struct netlink_broadcast_data {
        int delivered;
        gfp_t allocation;
        struct sk_buff *skb, *skb2;
-       int (*tx_filter)(struct sock *dsk, struct sk_buff *skb, void *data);
-       void *tx_data;
 };
 
 static void do_one_broadcast(struct sock *sk,
@@ -1462,11 +1460,6 @@ static void do_one_broadcast(struct sock *sk,
                        p->delivery_failure = 1;
                goto out;
        }
-       if (p->tx_filter && p->tx_filter(sk, p->skb2, p->tx_data)) {
-               kfree_skb(p->skb2);
-               p->skb2 = NULL;
-               goto out;
-       }
        if (sk_filter(sk, p->skb2)) {
                kfree_skb(p->skb2);
                p->skb2 = NULL;
@@ -1489,10 +1482,8 @@ out:
        sock_put(sk);
 }
 
-int netlink_broadcast_filtered(struct sock *ssk, struct sk_buff *skb, u32 portid,
-       u32 group, gfp_t allocation,
-       int (*filter)(struct sock *dsk, struct sk_buff *skb, void *data),
-       void *filter_data)
+int netlink_broadcast(struct sock *ssk, struct sk_buff *skb, u32 portid,
+                     u32 group, gfp_t allocation)
 {
        struct net *net = sock_net(ssk);
        struct netlink_broadcast_data info;
@@ -1511,8 +1502,6 @@ int netlink_broadcast_filtered(struct sock *ssk, struct sk_buff *skb, u32 portid
        info.allocation = allocation;
        info.skb = skb;
        info.skb2 = NULL;
-       info.tx_filter = filter;
-       info.tx_data = filter_data;
 
        /* While we sleep in clone, do not allow to change socket list */
 
@@ -1538,14 +1527,6 @@ int netlink_broadcast_filtered(struct sock *ssk, struct sk_buff *skb, u32 portid
        }
        return -ESRCH;
 }
-EXPORT_SYMBOL(netlink_broadcast_filtered);
-
-int netlink_broadcast(struct sock *ssk, struct sk_buff *skb, u32 portid,
-                     u32 group, gfp_t allocation)
-{
-       return netlink_broadcast_filtered(ssk, skb, portid, group, allocation,
-               NULL, NULL);
-}
 EXPORT_SYMBOL(netlink_broadcast);
 
 struct netlink_set_err_data {