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net: core functions cleanup 

The following functions are not used outside of net/core/dev.c
and should be declared static.

  call_netdevice_notifiers_info
  __dev_remove_offload
  netdev_has_any_upper_dev
  __netdev_adjacent_dev_remove
  __netdev_adjacent_dev_link_lists
  __netdev_adjacent_dev_unlink_lists
  __netdev_adjacent_dev_unlink
  __netdev_adjacent_dev_link_neighbour
  __netdev_adjacent_dev_unlink_neighbour

And the following are never used and should be deleted
  netdev_lower_dev_get_private_rcu
  __netdev_find_adj_rcu

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
stephen hemminger 2013-12-29 14:01:29 -08:00 committed by David S. Miller
parent 2173f8d953
commit 1d143d9f0c
2 changed files with 26 additions and 62 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
include/linux/netdevice.h
View File

@ -1741,8 +1741,6 @@ netdev_notifier_info_to_dev(const struct netdev_notifier_info *info)
return info->dev;
}
int call_netdevice_notifiers_info(unsigned long val, struct net_device *dev,
struct netdev_notifier_info *info);
int call_netdevice_notifiers(unsigned long val, struct net_device *dev);
@ -1809,7 +1807,6 @@ void dev_remove_pack(struct packet_type *pt);
void __dev_remove_pack(struct packet_type *pt);
void dev_add_offload(struct packet_offload *po);
void dev_remove_offload(struct packet_offload *po);
void __dev_remove_offload(struct packet_offload *po);
struct net_device *dev_get_by_flags_rcu(struct net *net, unsigned short flags,
unsigned short mask);
@ -2867,7 +2864,6 @@ extern int weight_p;
extern int bpf_jit_enable;
bool netdev_has_upper_dev(struct net_device *dev, struct net_device *upper_dev);
bool netdev_has_any_upper_dev(struct net_device *dev);
struct net_device *netdev_all_upper_get_next_dev_rcu(struct net_device *dev,
struct list_head **iter);
@ -2907,8 +2903,6 @@ int netdev_master_upper_dev_link_private(struct net_device *dev,
void *private);
void netdev_upper_dev_unlink(struct net_device *dev,
struct net_device *upper_dev);
void *netdev_lower_dev_get_private_rcu(struct net_device *dev,
struct net_device *lower_dev);
void *netdev_lower_dev_get_private(struct net_device *dev,
struct net_device *lower_dev);
int skb_checksum_help(struct sk_buff *skb);

82
net/core/dev.c
View File

@ -480,7 +480,7 @@ EXPORT_SYMBOL(dev_add_offload);
* and must not be freed until after all the CPU's have gone
* through a quiescent state.
*/
void __dev_remove_offload(struct packet_offload *po)
static void __dev_remove_offload(struct packet_offload *po)
{
struct list_head *head = &offload_base;
struct packet_offload *po1;
@ -498,7 +498,6 @@ void __dev_remove_offload(struct packet_offload *po)
out:
spin_unlock(&offload_lock);
}
EXPORT_SYMBOL(__dev_remove_offload);
/**
* dev_remove_offload - remove packet offload handler
@ -1566,14 +1565,14 @@ EXPORT_SYMBOL(unregister_netdevice_notifier);
* are as for raw_notifier_call_chain().
*/
int call_netdevice_notifiers_info(unsigned long val, struct net_device *dev,
struct netdev_notifier_info *info)
static int call_netdevice_notifiers_info(unsigned long val,
struct net_device *dev,
struct netdev_notifier_info *info)
{
ASSERT_RTNL();
netdev_notifier_info_init(info, dev);
return raw_notifier_call_chain(&netdev_chain, val, info);
}
EXPORT_SYMBOL(call_netdevice_notifiers_info);
/**
* call_netdevice_notifiers - call all network notifier blocks
@ -4355,19 +4354,6 @@ struct netdev_adjacent {
struct rcu_head rcu;
};
static struct netdev_adjacent *__netdev_find_adj_rcu(struct net_device *dev,
struct net_device *adj_dev,
struct list_head *adj_list)
{
struct netdev_adjacent *adj;
list_for_each_entry_rcu(adj, adj_list, list) {
if (adj->dev == adj_dev)
return adj;
}
return NULL;
}
static struct netdev_adjacent *__netdev_find_adj(struct net_device *dev,
struct net_device *adj_dev,
struct list_head *adj_list)
@ -4406,13 +4392,12 @@ EXPORT_SYMBOL(netdev_has_upper_dev);
* Find out if a device is linked to an upper device and return true in case
* it is. The caller must hold the RTNL lock.
*/
bool netdev_has_any_upper_dev(struct net_device *dev)
static bool netdev_has_any_upper_dev(struct net_device *dev)
{
ASSERT_RTNL();
return !list_empty(&dev->all_adj_list.upper);
}
EXPORT_SYMBOL(netdev_has_any_upper_dev);
/**
* netdev_master_upper_dev_get - Get master upper device
@ -4644,9 +4629,9 @@ free_adj:
return ret;
}
void __netdev_adjacent_dev_remove(struct net_device *dev,
struct net_device *adj_dev,
struct list_head *dev_list)
static void __netdev_adjacent_dev_remove(struct net_device *dev,
struct net_device *adj_dev,
struct list_head *dev_list)
{
struct netdev_adjacent *adj;
char linkname[IFNAMSIZ+7];
@ -4684,11 +4669,11 @@ void __netdev_adjacent_dev_remove(struct net_device *dev,
kfree_rcu(adj, rcu);
}
int __netdev_adjacent_dev_link_lists(struct net_device *dev,
struct net_device *upper_dev,
struct list_head *up_list,
struct list_head *down_list,
void *private, bool master)
static int __netdev_adjacent_dev_link_lists(struct net_device *dev,
struct net_device *upper_dev,
struct list_head *up_list,
struct list_head *down_list,
void *private, bool master)
{
int ret;
@ -4707,8 +4692,8 @@ int __netdev_adjacent_dev_link_lists(struct net_device *dev,
return 0;
}
int __netdev_adjacent_dev_link(struct net_device *dev,
struct net_device *upper_dev)
static int __netdev_adjacent_dev_link(struct net_device *dev,
struct net_device *upper_dev)
{
return __netdev_adjacent_dev_link_lists(dev, upper_dev,
&dev->all_adj_list.upper,
@ -4716,26 +4701,26 @@ int __netdev_adjacent_dev_link(struct net_device *dev,
NULL, false);
}
void __netdev_adjacent_dev_unlink_lists(struct net_device *dev,
struct net_device *upper_dev,
struct list_head *up_list,
struct list_head *down_list)
static void __netdev_adjacent_dev_unlink_lists(struct net_device *dev,
struct net_device *upper_dev,
struct list_head *up_list,
struct list_head *down_list)
{
__netdev_adjacent_dev_remove(dev, upper_dev, up_list);
__netdev_adjacent_dev_remove(upper_dev, dev, down_list);
}
void __netdev_adjacent_dev_unlink(struct net_device *dev,
struct net_device *upper_dev)
static void __netdev_adjacent_dev_unlink(struct net_device *dev,
struct net_device *upper_dev)
{
__netdev_adjacent_dev_unlink_lists(dev, upper_dev,
&dev->all_adj_list.upper,
&upper_dev->all_adj_list.lower);
}
int __netdev_adjacent_dev_link_neighbour(struct net_device *dev,
struct net_device *upper_dev,
void *private, bool master)
static int __netdev_adjacent_dev_link_neighbour(struct net_device *dev,
struct net_device *upper_dev,
void *private, bool master)
{
int ret = __netdev_adjacent_dev_link(dev, upper_dev);
@ -4754,8 +4739,8 @@ int __netdev_adjacent_dev_link_neighbour(struct net_device *dev,
return 0;
}
void __netdev_adjacent_dev_unlink_neighbour(struct net_device *dev,
struct net_device *upper_dev)
static void __netdev_adjacent_dev_unlink_neighbour(struct net_device *dev,
struct net_device *upper_dev)
{
__netdev_adjacent_dev_unlink(dev, upper_dev);
__netdev_adjacent_dev_unlink_lists(dev, upper_dev,
@ -4944,21 +4929,6 @@ void netdev_upper_dev_unlink(struct net_device *dev,
}
EXPORT_SYMBOL(netdev_upper_dev_unlink);
void *netdev_lower_dev_get_private_rcu(struct net_device *dev,
struct net_device *lower_dev)
{
struct netdev_adjacent *lower;
if (!lower_dev)
return NULL;
lower = __netdev_find_adj_rcu(dev, lower_dev, &dev->adj_list.lower);
if (!lower)
return NULL;
return lower->private;
}
EXPORT_SYMBOL(netdev_lower_dev_get_private_rcu);
void *netdev_lower_dev_get_private(struct net_device *dev,
struct net_device *lower_dev)
{