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ipv6: move in6_dev_finish_destroy() into core kernel

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in6_dev_put() will be needed by vxlan module, so is
in6_dev_finish_destroy().

Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Cong Wang 2013-08-31 13:44:35 +08:00 committed by David S. Miller
parent e15a00aafa
commit f39dc1023d
2 changed files with 31 additions and 30 deletions
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30
net/ipv6/addrconf.c
View File

@ -304,36 +304,6 @@ err_ip:
return -ENOMEM;
}
static void snmp6_free_dev(struct inet6_dev *idev)
{
kfree(idev->stats.icmpv6msgdev);
kfree(idev->stats.icmpv6dev);
snmp_mib_free((void __percpu **)idev->stats.ipv6);
}
/* Nobody refers to this device, we may destroy it. */
void in6_dev_finish_destroy(struct inet6_dev *idev)
{
struct net_device *dev = idev->dev;
WARN_ON(!list_empty(&idev->addr_list));
WARN_ON(idev->mc_list != NULL);
WARN_ON(timer_pending(&idev->rs_timer));
#ifdef NET_REFCNT_DEBUG
pr_debug("%s: %s\n", __func__, dev ? dev->name : "NIL");
#endif
dev_put(dev);
if (!idev->dead) {
pr_warn("Freeing alive inet6 device %p\n", idev);
return;
}
snmp6_free_dev(idev);
kfree_rcu(idev, rcu);
}
EXPORT_SYMBOL(in6_dev_finish_destroy);
static struct inet6_dev *ipv6_add_dev(struct net_device *dev)
{
struct inet6_dev *ndev;

31
net/ipv6/addrconf_core.c
View File

@ -6,6 +6,7 @@
#include <linux/export.h>
#include <net/ipv6.h>
#include <net/addrconf.h>
#include <net/ip.h>
#define IPV6_ADDR_SCOPE_TYPE(scope) ((scope) << 16)
@ -117,3 +118,33 @@ const struct in6_addr in6addr_interfacelocal_allrouters = IN6ADDR_INTERFACELOCAL
EXPORT_SYMBOL(in6addr_interfacelocal_allrouters);
const struct in6_addr in6addr_sitelocal_allrouters = IN6ADDR_SITELOCAL_ALLROUTERS_INIT;
EXPORT_SYMBOL(in6addr_sitelocal_allrouters);
static void snmp6_free_dev(struct inet6_dev *idev)
{
kfree(idev->stats.icmpv6msgdev);
kfree(idev->stats.icmpv6dev);
snmp_mib_free((void __percpu **)idev->stats.ipv6);
}
/* Nobody refers to this device, we may destroy it. */
void in6_dev_finish_destroy(struct inet6_dev *idev)
{
struct net_device *dev = idev->dev;
WARN_ON(!list_empty(&idev->addr_list));
WARN_ON(idev->mc_list != NULL);
WARN_ON(timer_pending(&idev->rs_timer));
#ifdef NET_REFCNT_DEBUG
pr_debug("%s: %s\n", __func__, dev ? dev->name : "NIL");
#endif
dev_put(dev);
if (!idev->dead) {
pr_warn("Freeing alive inet6 device %p\n", idev);
return;
}
snmp6_free_dev(idev);
kfree_rcu(idev, rcu);
}
EXPORT_SYMBOL(in6_dev_finish_destroy);