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net: socket: remove register_gifconf

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Since dynamic registration of the gifconf() helper is only used for
IPv4, and this can not be in a loadable module, this can be simplified
noticeably by turning it into a direct function call as a preparation
for cleaning up the compat handling.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Arnd Bergmann
2021-07-22 16:29:01 +02:00
committed by David S. Miller
parent 709566d792
commit b0e99d0377
4 changed files with 20 additions and 44 deletions
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43
net/core/dev_ioctl.c
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@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/kmod.h>
#include <linux/netdevice.h>
#include <linux/inetdevice.h>
#include <linux/etherdevice.h>
#include <linux/rtnetlink.h>
#include <linux/net_tstamp.h>
@@ -25,26 +26,6 @@ static int dev_ifname(struct net *net, struct ifreq *ifr)
return netdev_get_name(net, ifr->ifr_name, ifr->ifr_ifindex);
}
static gifconf_func_t *gifconf_list[NPROTO];
/**
* register_gifconf - register a SIOCGIF handler
* @family: Address family
* @gifconf: Function handler
*
* Register protocol dependent address dumping routines. The handler
* that is passed must not be freed or reused until it has been replaced
* by another handler.
*/
int register_gifconf(unsigned int family, gifconf_func_t *gifconf)
{
if (family >= NPROTO)
return -EINVAL;
gifconf_list[family] = gifconf;
return 0;
}
EXPORT_SYMBOL(register_gifconf);
/*
* Perform a SIOCGIFCONF call. This structure will change
* size eventually, and there is nothing I can do about it.
@@ -72,19 +53,15 @@ int dev_ifconf(struct net *net, struct ifconf *ifc, int size)
total = 0;
for_each_netdev(net, dev) {
for (i = 0; i < NPROTO; i++) {
if (gifconf_list[i]) {
int done;
if (!pos)
done = gifconf_list[i](dev, NULL, 0, size);
else
done = gifconf_list[i](dev, pos + total,
len - total, size);
if (done < 0)
return -EFAULT;
total += done;
}
}
int done;
if (!pos)
done = inet_gifconf(dev, NULL, 0, size);
else
done = inet_gifconf(dev, pos + total,
len - total, size);
if (done < 0)
return -EFAULT;
total += done;
}
/*