diff options
Diffstat (limited to 'net/netlink/af_netlink.c')
| -rw-r--r-- | net/netlink/af_netlink.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 629b06182f3f..32bb75324e76 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -1645,6 +1645,24 @@ static void netlink_destroy_callback(struct netlink_callback *cb) kfree(cb); } +struct nlmsghdr * +__nlmsg_put(struct sk_buff *skb, u32 pid, u32 seq, int type, int len, int flags) +{ + struct nlmsghdr *nlh; + int size = NLMSG_LENGTH(len); + + nlh = (struct nlmsghdr*)skb_put(skb, NLMSG_ALIGN(size)); + nlh->nlmsg_type = type; + nlh->nlmsg_len = size; + nlh->nlmsg_flags = flags; + nlh->nlmsg_pid = pid; + nlh->nlmsg_seq = seq; + if (!__builtin_constant_p(size) || NLMSG_ALIGN(size) - size != 0) + memset(NLMSG_DATA(nlh) + len, 0, NLMSG_ALIGN(size) - size); + return nlh; +} +EXPORT_SYMBOL(__nlmsg_put); + /* * It looks a bit ugly. * It would be better to create kernel thread. @@ -1718,10 +1736,7 @@ errout_skb: int netlink_dump_start(struct sock *ssk, struct sk_buff *skb, const struct nlmsghdr *nlh, - int (*dump)(struct sk_buff *skb, - struct netlink_callback *), - int (*done)(struct netlink_callback *), - u16 min_dump_alloc) + struct netlink_dump_control *control) { struct netlink_callback *cb; struct sock *sk; @@ -1732,10 +1747,11 @@ int netlink_dump_start(struct sock *ssk, struct sk_buff *skb, if (cb == NULL) return -ENOBUFS; - cb->dump = dump; - cb->done = done; + cb->dump = control->dump; + cb->done = control->done; cb->nlh = nlh; - cb->min_dump_alloc = min_dump_alloc; + cb->data = control->data; + cb->min_dump_alloc = control->min_dump_alloc; atomic_inc(&skb->users); cb->skb = skb; |