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net: Pass kern from net_proto_family.create to sk_alloc

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In preparation for changing how struct net is refcounted
on kernel sockets pass the knowledge that we are creating
a kernel socket from sock_create_kern through to sk_alloc.

Signed-off-by: "Eric W. Biederman" <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Eric W. Biederman 2015-05-08 21:09:13 -05:00 • committed by David S. Miller
commit 11aa9c28b4
59 changed files with 109 additions and 108 deletions
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11
net/netlink/af_netlink.c
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@ -1119,14 +1119,15 @@ static struct proto netlink_proto = {
};
static int __netlink_create(struct net *net, struct socket *sock,
struct mutex *cb_mutex, int protocol)
struct mutex *cb_mutex, int protocol,
int kern)
{
struct sock *sk;
struct netlink_sock *nlk;
sock->ops = &netlink_ops;
sk = sk_alloc(net, PF_NETLINK, GFP_KERNEL, &netlink_proto);
sk = sk_alloc(net, PF_NETLINK, GFP_KERNEL, &netlink_proto, kern);
if (!sk)
return -ENOMEM;
@ -1188,7 +1189,7 @@ static int netlink_create(struct net *net, struct socket *sock, int protocol,
if (err < 0)
goto out;
err = __netlink_create(net, sock, cb_mutex, protocol);
err = __netlink_create(net, sock, cb_mutex, protocol, kern);
if (err < 0)
goto out_module;
@ -2515,14 +2516,12 @@ __netlink_kernel_create(struct net *net, int unit, struct module *module,
if (sock_create_lite(PF_NETLINK, SOCK_DGRAM, unit, &sock))
return NULL;
/*
* We have to just have a reference on the net from sk, but don't
* get_net it. Besides, we cannot get and then put the net here.
* So we create one inside init_net and the move it to net.
*/
if (__netlink_create(&init_net, sock, cb_mutex, unit) < 0)
if (__netlink_create(&init_net, sock, cb_mutex, unit, 0) < 0)
goto out_sock_release_nosk;
sk = sock->sk;