C++ (Cpp) rtnl_set_sk_errの例

コード例 #1

ファイル: br_netlink.c プロジェクト: AiWinters/linux

/*
 * Notify listeners of a change in port information
 */
void br_ifinfo_notify(int event, struct net_bridge_port *port)
{
	struct net *net;
	struct sk_buff *skb;
	int err = -ENOBUFS;

	if (!port)
		return;

	net = dev_net(port->dev);
	br_debug(port->br, "port %u(%s) event %d\n",
		 (unsigned int)port->port_no, port->dev->name, event);

	skb = nlmsg_new(br_nlmsg_size(), GFP_ATOMIC);
	if (skb == NULL)
		goto errout;

	err = br_fill_ifinfo(skb, port, 0, 0, event, 0, 0, port->dev);
	if (err < 0) {
		/* -EMSGSIZE implies BUG in br_nlmsg_size() */
		WARN_ON(err == -EMSGSIZE);
		kfree_skb(skb);
		goto errout;
	}
	rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC);
	return;
errout:
	if (err < 0)
		rtnl_set_sk_err(net, RTNLGRP_LINK, err);
}

コード例 #2

ファイル: datapath.c プロジェクト: axray/dataware.dreamplug

/* Caller must hold RTNL lock. */
static void dp_ifinfo_notify(int event, struct vport *port)
{
	struct sk_buff *skb;
	int err;

	skb = nlmsg_new(br_nlmsg_size(), GFP_KERNEL);
	if (!skb) {
		err = -ENOBUFS;
		goto err;
	}

	err = dp_fill_ifinfo(skb, port, event, 0);
	if (err < 0) {
		if (err == -ENODEV) {
			goto out;
		} else {
			/* -EMSGSIZE implies BUG in br_nlmsg_size() */
			WARN_ON(err == -EMSGSIZE);
			goto err;
		}
	}

	rtnl_notify(skb, &init_net, 0, RTNLGRP_LINK, NULL, GFP_KERNEL);

	return;
err:
	rtnl_set_sk_err(&init_net, RTNLGRP_LINK, err);
out:
	kfree_skb(skb);
}

コード例 #3

ファイル: br_netlink.c プロジェクト: xiandaicxsj/copyKvm

/*
 * Notify listeners of a change in port information
 */
void br_ifinfo_notify(int event, struct net_bridge_port *port)
{
	struct sk_buff *skb;
	int err = -ENOBUFS;

	pr_debug("bridge notify event=%d\n", event);
	skb = nlmsg_new(br_nlmsg_size(), GFP_ATOMIC);
	if (skb == NULL)
		goto errout;

	err = br_fill_ifinfo(skb, port, 0, 0, event, 0);
	/* failure implies BUG in br_nlmsg_size() */
	BUG_ON(err < 0);

	err = rtnl_notify(skb, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC);
errout:
	if (err < 0)
		rtnl_set_sk_err(RTNLGRP_LINK, err);
}

コード例 #4

ファイル: rtnetlink.c プロジェクト: ruigulala/helgrind_uml

void rtmsg_ifinfo(int type, struct net_device *dev, unsigned change)
{
	struct sk_buff *skb;
	int err = -ENOBUFS;

	skb = nlmsg_new(if_nlmsg_size(), GFP_KERNEL);
	if (skb == NULL)
		goto errout;

	err = rtnl_fill_ifinfo(skb, dev, type, 0, 0, change, 0);
	if (err < 0) {
		/* -EMSGSIZE implies BUG in if_nlmsg_size() */
		WARN_ON(err == -EMSGSIZE);
		kfree_skb(skb);
		goto errout;
	}
	err = rtnl_notify(skb, 0, RTNLGRP_LINK, NULL, GFP_KERNEL);
errout:
	if (err < 0)
		rtnl_set_sk_err(RTNLGRP_LINK, err);
}

コード例 #5

ファイル: br_netlink.c プロジェクト: 458941968/mini2440-kernel-2.6.29

/*
 * Notify listeners of a change in port information
 */
void br_ifinfo_notify(int event, struct net_bridge_port *port)
{
	struct net *net = dev_net(port->dev);
	struct sk_buff *skb;
	int err = -ENOBUFS;

	pr_debug("bridge notify event=%d\n", event);
	skb = nlmsg_new(br_nlmsg_size(), GFP_ATOMIC);
	if (skb == NULL)
		goto errout;

	err = br_fill_ifinfo(skb, port, 0, 0, event, 0);
	if (err < 0) {
		/* -EMSGSIZE implies BUG in br_nlmsg_size() */
		WARN_ON(err == -EMSGSIZE);
		kfree_skb(skb);
		goto errout;
	}
	err = rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC);
errout:
	if (err < 0)
		rtnl_set_sk_err(net, RTNLGRP_LINK, err);
}