From: Herbert Xu <herbert@gondor.apana.org.au>
To: netdev@vger.kernel.org
Subject: netlink: Kill redundant net argument in netlink_insert
Date: Mon, 26 Jan 2015 14:02:56 +1100 [thread overview]
Message-ID: <20150126030256.GA20066@gondor.apana.org.au> (raw)
The socket already carries the net namespace with it so there is
no need to be passing another net around.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 7a94185..d77b346 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -994,11 +994,10 @@ static struct sock *__netlink_lookup(struct netlink_table *table, u32 portid,
&netlink_compare, &arg);
}
-static bool __netlink_insert(struct netlink_table *table, struct sock *sk,
- struct net *net)
+static bool __netlink_insert(struct netlink_table *table, struct sock *sk)
{
struct netlink_compare_arg arg = {
- .net = net,
+ .net = sock_net(sk),
.portid = nlk_sk(sk)->portid,
};
@@ -1047,7 +1046,7 @@ netlink_update_listeners(struct sock *sk)
* makes sure updates are visible before bind or setsockopt return. */
}
-static int netlink_insert(struct sock *sk, struct net *net, u32 portid)
+static int netlink_insert(struct sock *sk, u32 portid)
{
struct netlink_table *table = &nl_table[sk->sk_protocol];
int err;
@@ -1067,7 +1066,7 @@ static int netlink_insert(struct sock *sk, struct net *net, u32 portid)
sock_hold(sk);
err = 0;
- if (!__netlink_insert(table, sk, net)) {
+ if (!__netlink_insert(table, sk)) {
err = -EADDRINUSE;
sock_put(sk);
}
@@ -1289,7 +1288,7 @@ retry:
}
rcu_read_unlock();
- err = netlink_insert(sk, net, portid);
+ err = netlink_insert(sk, portid);
if (err == -EADDRINUSE)
goto retry;
@@ -1477,7 +1476,7 @@ static int netlink_bind(struct socket *sock, struct sockaddr *addr,
if (!nlk->portid) {
err = nladdr->nl_pid ?
- netlink_insert(sk, net, nladdr->nl_pid) :
+ netlink_insert(sk, nladdr->nl_pid) :
netlink_autobind(sock);
if (err) {
netlink_undo_bind(nlk->ngroups, groups, sk);
@@ -2483,7 +2482,7 @@ __netlink_kernel_create(struct net *net, int unit, struct module *module,
if (cfg && cfg->input)
nlk_sk(sk)->netlink_rcv = cfg->input;
- if (netlink_insert(sk, net, 0))
+ if (netlink_insert(sk, 0))
goto out_sock_release;
nlk = nlk_sk(sk);
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
next reply other threads:[~2015-01-26 3:03 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-26 3:02 Herbert Xu [this message]
2015-01-27 8:30 ` netlink: Kill redundant net argument in netlink_insert David Miller
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