1 files changed, 0 insertions, 156 deletions
diff --git a/drivers/staging/gdm72xx/netlink_k.c b/drivers/staging/gdm72xx/netlink_k.c
deleted file mode 100644
index f3cdaa6c468c..000000000000
--- a/drivers/staging/gdm72xx/netlink_k.c
+++ /dev/null
@@ -1,156 +0,0 @@
-/*
- * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/module.h>
-#include <linux/etherdevice.h>
-#include <net/netlink.h>
-#include <asm/byteorder.h>
-#include <net/sock.h>
-#include "netlink_k.h"
-
-#if !defined(NLMSG_HDRLEN)
-#define NLMSG_HDRLEN	 ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr)))
-#endif
-
-#define ND_MAX_GROUP			30
-#define ND_IFINDEX_LEN			sizeof(int)
-#define ND_NLMSG_SPACE(len)		(nlmsg_total_size(len) + ND_IFINDEX_LEN)
-#define ND_NLMSG_DATA(nlh) \
-	((void *)((char *)nlmsg_data(nlh) + ND_IFINDEX_LEN))
-#define ND_NLMSG_S_LEN(len)		(len+ND_IFINDEX_LEN)
-#define ND_NLMSG_R_LEN(nlh)		(nlh->nlmsg_len-ND_IFINDEX_LEN)
-#define ND_NLMSG_IFIDX(nlh)		nlmsg_data(nlh)
-#define ND_MAX_MSG_LEN			8096
-
-#if defined(DEFINE_MUTEX)
-static DEFINE_MUTEX(netlink_mutex);
-#else
-static struct semaphore netlink_mutex;
-#define mutex_lock(x)		down(x)
-#define mutex_unlock(x)		up(x)
-#endif
-
-static void (*rcv_cb)(struct net_device *dev, u16 type, void *msg, int len);
-
-static void netlink_rcv_cb(struct sk_buff *skb)
-{
-	struct nlmsghdr *nlh;
-	struct net_device *dev;
-	u32 mlen;
-	void *msg;
-	int ifindex;
-
-	if (skb->len >= NLMSG_HDRLEN) {
-		nlh = (struct nlmsghdr *)skb->data;
-
-		if (skb->len < nlh->nlmsg_len ||
-		    nlh->nlmsg_len > ND_MAX_MSG_LEN) {
-			netdev_err(skb->dev, "Invalid length (%d,%d)\n",
-				   skb->len, nlh->nlmsg_len);
-			return;
-		}
-
-		memcpy(&ifindex, ND_NLMSG_IFIDX(nlh), ND_IFINDEX_LEN);
-		msg = ND_NLMSG_DATA(nlh);
-		mlen = ND_NLMSG_R_LEN(nlh);
-
-		if (rcv_cb) {
-			dev = dev_get_by_index(&init_net, ifindex);
-			if (dev) {
-				rcv_cb(dev, nlh->nlmsg_type, msg, mlen);
-				dev_put(dev);
-			} else
-				netdev_err(skb->dev,
-					   "dev_get_by_index(%d) is not found.\n",
-					   ifindex);
-		} else {
-			netdev_err(skb->dev, "Unregistered Callback\n");
-		}
-	}
-}
-
-static void netlink_rcv(struct sk_buff *skb)
-{
-	mutex_lock(&netlink_mutex);
-	netlink_rcv_cb(skb);
-	mutex_unlock(&netlink_mutex);
-}
-
-struct sock *netlink_init(int unit, void (*cb)(struct net_device *dev, u16 type,
-					       void *msg, int len))
-{
-	struct sock *sock;
-	struct netlink_kernel_cfg cfg = {
-		.input  = netlink_rcv,
-	};
-
-#if !defined(DEFINE_MUTEX)
-	init_MUTEX(&netlink_mutex);
-#endif
-
-	sock = netlink_kernel_create(&init_net, unit, &cfg);
-
-	if (sock)
-		rcv_cb = cb;
-
-	return sock;
-}
-
-void netlink_exit(struct sock *sock)
-{
-	netlink_kernel_release(sock);
-}
-
-int netlink_send(struct sock *sock, int group, u16 type, void *msg, int len)
-{
-	static u32 seq;
-	struct sk_buff *skb = NULL;
-	struct nlmsghdr *nlh;
-	int ret = 0;
-
-	if (group > ND_MAX_GROUP) {
-		pr_err("Group %d is invalid.\n", group);
-		pr_err("Valid group is 0 ~ %d.\n", ND_MAX_GROUP);
-		return -EINVAL;
-	}
-
-	skb = nlmsg_new(len, GFP_ATOMIC);
-	if (!skb) {
-		pr_err("netlink_broadcast ret=%d\n", ret);
-		return -ENOMEM;
-	}
-
-	seq++;
-	nlh = nlmsg_put(skb, 0, seq, type, len, 0);
-	if (!nlh) {
-		kfree_skb(skb);
-		return -EMSGSIZE;
-	}
-	memcpy(nlmsg_data(nlh), msg, len);
-
-	NETLINK_CB(skb).portid = 0;
-	NETLINK_CB(skb).dst_group = 0;
-
-	ret = netlink_broadcast(sock, skb, 0, group+1, GFP_ATOMIC);
-
-	if (!ret)
-		return len;
-	if (ret != -ESRCH) {
-		pr_err("netlink_broadcast g=%d, t=%d, l=%d, r=%d\n",
-		       group, type, len, ret);
-	}
-	ret = 0;
-	return ret;
-}