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[VLAN]: Add a net argument to proc init and cleanup calls.

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All proc files will be created in each net, so prepare them for 
this change now, not to mess it with real creation patch.

The net != &init_net checks in them are for git-bisect sanity, 
but I will drop them soon.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov 2008-04-16 00:51:12 -07:00 committed by David S. Miller
parent d9ed0f0e2d
commit cd1c701432
3 changed files with 22 additions and 15 deletions
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15
net/8021q/vlan.c
View File

@ -642,8 +642,14 @@ static int vlan_init_net(struct net *net)
if (err < 0)
goto err_assign;
err = vlan_proc_init(net);
if (err < 0)
goto err_proc;
return 0;
err_proc:
/* nothing */
err_assign:
kfree(vn);
err_alloc:
@ -655,6 +661,7 @@ static void vlan_exit_net(struct net *net)
struct vlan_net *vn;
vn = net_generic(net, vlan_net_id);
vlan_proc_cleanup(net);
kfree(vn);
}
@ -674,10 +681,6 @@ static int __init vlan_proto_init(void)
if (err < 0)
goto err0;
err = vlan_proc_init();
if (err < 0)
goto err1;
err = register_netdevice_notifier(&vlan_notifier_block);
if (err < 0)
goto err2;
@ -693,8 +696,6 @@ static int __init vlan_proto_init(void)
err3:
unregister_netdevice_notifier(&vlan_notifier_block);
err2:
vlan_proc_cleanup();
err1:
unregister_pernet_gen_device(vlan_net_id, &vlan_net_ops);
err0:
return err;
@ -715,8 +716,6 @@ static void __exit vlan_cleanup_module(void)
for (i = 0; i < VLAN_GRP_HASH_SIZE; i++)
BUG_ON(!hlist_empty(&vlan_group_hash[i]));
vlan_proc_cleanup();
unregister_pernet_gen_device(vlan_net_id, &vlan_net_ops);
synchronize_net();

12
net/8021q/vlanproc.c
View File

@ -138,8 +138,11 @@ static const char *vlan_name_type_str[VLAN_NAME_TYPE_HIGHEST] = {
* Clean up /proc/net/vlan entries
*/
void vlan_proc_cleanup(void)
void vlan_proc_cleanup(struct net *net)
{
if (net != &init_net)
return;
if (proc_vlan_conf)
remove_proc_entry(name_conf, proc_vlan_dir);
@ -155,8 +158,11 @@ void vlan_proc_cleanup(void)
* Create /proc/net/vlan entries
*/
int __init vlan_proc_init(void)
int vlan_proc_init(struct net *net)
{
if (net != &init_net)
return 0;
proc_vlan_dir = proc_mkdir(name_root, init_net.proc_net);
if (!proc_vlan_dir)
goto err;
@ -169,7 +175,7 @@ int __init vlan_proc_init(void)
err:
pr_err("%s: can't create entry in proc filesystem!\n", __func__);
vlan_proc_cleanup();
vlan_proc_cleanup(net);
return -ENOBUFS;
}

10
net/8021q/vlanproc.h
View File

@ -2,15 +2,17 @@
#define __BEN_VLAN_PROC_INC__
#ifdef CONFIG_PROC_FS
int vlan_proc_init(void);
struct net;
int vlan_proc_init(struct net *net);
int vlan_proc_rem_dev(struct net_device *vlandev);
int vlan_proc_add_dev(struct net_device *vlandev);
void vlan_proc_cleanup(void);
void vlan_proc_cleanup(struct net *net);
#else /* No CONFIG_PROC_FS */
#define vlan_proc_init() (0)
#define vlan_proc_cleanup() do {} while (0)
#define vlan_proc_init(net) (0)
#define vlan_proc_cleanup(net) do {} while (0)
#define vlan_proc_add_dev(dev) ({(void)(dev), 0; })
#define vlan_proc_rem_dev(dev) ({(void)(dev), 0; })
#endif