AetherDroid/android_kernel_samsung_on5xelte
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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
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68
fs/afs/netdevices.c Normal file
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/* AFS network device helpers
*
* Copyright (c) 2007 Patrick McHardy <kaber@trash.net>
*/
#include <linux/string.h>
#include <linux/rtnetlink.h>
#include <linux/inetdevice.h>
#include <linux/netdevice.h>
#include <linux/if_arp.h>
#include <net/net_namespace.h>
#include "internal.h"
/*
* get a MAC address from a random ethernet interface that has a real one
* - the buffer will normally be 6 bytes in size
*/
int afs_get_MAC_address(u8 *mac, size_t maclen)
{
struct net_device *dev;
int ret = -ENODEV;
BUG_ON(maclen != ETH_ALEN);
rtnl_lock();
dev = __dev_getfirstbyhwtype(&init_net, ARPHRD_ETHER);
if (dev) {
memcpy(mac, dev->dev_addr, maclen);
ret = 0;
}
rtnl_unlock();
return ret;
}
/*
* get a list of this system's interface IPv4 addresses, netmasks and MTUs
* - maxbufs must be at least 1
* - returns the number of interface records in the buffer
*/
int afs_get_ipv4_interfaces(struct afs_interface *bufs, size_t maxbufs,
bool wantloopback)
{
struct net_device *dev;
struct in_device *idev;
int n = 0;
ASSERT(maxbufs > 0);
rtnl_lock();
for_each_netdev(&init_net, dev) {
if (dev->type == ARPHRD_LOOPBACK && !wantloopback)
continue;
idev = __in_dev_get_rtnl(dev);
if (!idev)
continue;
for_primary_ifa(idev) {
bufs[n].address.s_addr = ifa->ifa_address;
bufs[n].netmask.s_addr = ifa->ifa_mask;
bufs[n].mtu = dev->mtu;
n++;
if (n >= maxbufs)
goto out;
} endfor_ifa(idev);
}
out:
rtnl_unlock();
return n;
}