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

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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