/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Copyright (C) Jonathan Naylor G4KLX (g4klx@g4klx.demon.co.uk)
 */
#include <linux/module.h>
#include <linux/proc_fs.h>
#include <linux/kernel.h>
#include <linux/interrupt.h>
#include <linux/fs.h>
#include <linux/types.h>
#include <linux/sysctl.h>
#include <linux/string.h>
#include <linux/socket.h>
#include <linux/errno.h>
#include <linux/fcntl.h>
#include <linux/in.h>
#include <linux/if_ether.h>
#include <linux/slab.h>

#include <asm/io.h>

#include <linux/inet.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/if_arp.h>
#include <linux/skbuff.h>

#include <net/ip.h>
#include <net/arp.h>

#include <net/ax25.h>
#include <net/rose.h>

static int rose_header(struct sk_buff *skb, struct net_device *dev,
		       unsigned short type,
		       const void *daddr, const void *saddr, unsigned int len)
{
	unsigned char *buff = skb_push(skb, ROSE_MIN_LEN + 2);

	if (daddr)
		memcpy(buff + 7, daddr, dev->addr_len);

	*buff++ = ROSE_GFI | ROSE_Q_BIT;
	*buff++ = 0x00;
	*buff++ = ROSE_DATA;
	*buff++ = 0x7F;
	*buff++ = AX25_P_IP;

	if (daddr != NULL)
		return 37;

	return -37;
}

static int rose_set_mac_address(struct net_device *dev, void *addr)
{
	struct sockaddr *sa = addr;
	int err;

	if (!memcmp(dev->dev_addr, sa->sa_data, dev->addr_len))
		return 0;

	if (dev->flags & IFF_UP) {
		err = rose_add_loopback_node((rose_address *)sa->sa_data);
		if (err)
			return err;

		rose_del_loopback_node((rose_address *)dev->dev_addr);
	}

	memcpy(dev->dev_addr, sa->sa_data, dev->addr_len);

	return 0;
}

static int rose_open(struct net_device *dev)
{
	int err;

	err = rose_add_loopback_node((rose_address *)dev->dev_addr);
	if (err)
		return err;

	netif_start_queue(dev);

	return 0;
}

static int rose_close(struct net_device *dev)
{
	netif_stop_queue(dev);
	rose_del_loopback_node((rose_address *)dev->dev_addr);
	return 0;
}

static netdev_tx_t rose_xmit(struct sk_buff *skb, struct net_device *dev)
{
	struct net_device_stats *stats = &dev->stats;
	unsigned int len = skb->len;

	if (!netif_running(dev)) {
		printk(KERN_ERR "ROSE: rose_xmit - called when iface is down\n");
		return NETDEV_TX_BUSY;
	}

	if (!rose_route_frame(skb, NULL)) {
		dev_kfree_skb(skb);
		stats->tx_errors++;
		return NETDEV_TX_OK;
	}

	stats->tx_packets++;
	stats->tx_bytes += len;
	return NETDEV_TX_OK;
}

static const struct header_ops rose_header_ops = {
	.create	= rose_header,
};

static const struct net_device_ops rose_netdev_ops = {
	.ndo_open		= rose_open,
	.ndo_stop		= rose_close,
	.ndo_start_xmit		= rose_xmit,
	.ndo_set_mac_address    = rose_set_mac_address,
};

void rose_setup(struct net_device *dev)
{
	dev->mtu		= ROSE_MAX_PACKET_SIZE - 2;
	dev->netdev_ops		= &rose_netdev_ops;

	dev->header_ops		= &rose_header_ops;
	dev->hard_header_len	= AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN;
	dev->addr_len		= ROSE_ADDR_LEN;
	dev->type		= ARPHRD_ROSE;

	/* New-style flags. */
	dev->flags		= IFF_NOARP;
}
e/uapi/drm/radeon_drm.h?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>radeon_drm.h</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='0b529f143e8baad441a5aac9ad55ec2434d8fb46'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Harsh Jain &lt;harsh@chelsio.com&gt;</td><td class='right'>2017-02-01 21:10:28 +0530</td></tr>
<tr><th>committer</th><td>Herbert Xu &lt;herbert@gondor.apana.org.au&gt;</td><td class='right'>2017-02-03 17:45:48 +0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/uapi/drm/radeon_drm.h?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>0b529f143e8baad441a5aac9ad55ec2434d8fb46</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/uapi/drm/radeon_drm.h?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>fd816e548e12745d4776ad0bd661bec142d3ea06</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/uapi/drm/radeon_drm.h?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>include/uapi/drm/radeon_drm.h</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/uapi/drm/radeon_drm.h?id=c26819900036f5b91608051a0fc7c76f6b4ffc7b'>c26819900036f5b91608051a0fc7c76f6b4ffc7b</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/uapi/drm/radeon_drm.h?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46&amp;id2=c26819900036f5b91608051a0fc7c76f6b4ffc7b'>diff</a>)</td></tr></table>
<div class='commit-subject'>crypto: algif_aead - Fix kernel panic on list_del</div><div class='commit-msg'>Kernel panics when userspace program try to access AEAD interface.
Remove node from Linked List before freeing its memory.

Cc: &lt;stable@vger.kernel.org&gt;
Signed-off-by: Harsh Jain &lt;harsh@chelsio.com&gt;
Reviewed-by: Stephan Müller &lt;smueller@chronox.de&gt;
Signed-off-by: Herbert Xu &lt;herbert@gondor.apana.org.au&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>Diffstat</a> (limited to 'include/uapi/drm/radeon_drm.h')</div><table summary='diffstat' class='diffstat'>