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Code Issues Releases Wiki Activity

netlink: remove netlink_broadcast_filtered

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No users in tree since commit a3498436b3 ("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>
This commit is contained in:
Florian Westphal 2021-10-05 13:52:42 +02:00 committed by David S. Miller
parent 95bf387e35
commit 549017aa1b
2 changed files with 2 additions and 25 deletions
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4
include/linux/netlink.h
View file

@ -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);

23
net/netlink/af_netlink.c
View file

@ -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 @@ static void do_one_broadcast(struct sock *sk,
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 {