diff options
Diffstat (limited to 'net/netlink/af_netlink.c')
| -rw-r--r-- | net/netlink/af_netlink.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 98e313e..2601712 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -396,7 +396,7 @@ static int __netlink_create(struct net *net, struct socket *sock, sock->ops = &netlink_ops; - sk = sk_alloc(net, PF_NETLINK, GFP_KERNEL, &netlink_proto, 1); + sk = sk_alloc(net, PF_NETLINK, GFP_KERNEL, &netlink_proto); if (!sk) return -ENOMEM; @@ -1565,7 +1565,11 @@ int netlink_dump_start(struct sock *ssk, struct sk_buff *skb, netlink_dump(sk); sock_put(sk); - return 0; + + /* We successfully started a dump, by returning -EINTR we + * signal not to send ACK even if it was requested. + */ + return -EINTR; } void netlink_ack(struct sk_buff *in_skb, struct nlmsghdr *nlh, int err) @@ -1619,17 +1623,21 @@ int netlink_rcv_skb(struct sk_buff *skb, int (*cb)(struct sk_buff *, /* Only requests are handled by the kernel */ if (!(nlh->nlmsg_flags & NLM_F_REQUEST)) - goto skip; + goto ack; /* Skip control messages */ if (nlh->nlmsg_type < NLMSG_MIN_TYPE) - goto skip; + goto ack; err = cb(skb, nlh); -skip: + if (err == -EINTR) + goto skip; + +ack: if (nlh->nlmsg_flags & NLM_F_ACK || err) netlink_ack(skb, nlh, err); +skip: msglen = NLMSG_ALIGN(nlh->nlmsg_len); if (msglen > skb->len) msglen = skb->len; @@ -1880,7 +1888,7 @@ static void __net_exit netlink_net_exit(struct net *net) #endif } -static struct pernet_operations __net_initdata netlink_net_ops = { +static struct pernet_operations netlink_net_ops = { .init = netlink_net_init, .exit = netlink_net_exit, }; |