original_kernel/net/8021q/vlanproc.h

#ifndef __BEN_VLAN_PROC_INC__
#define __BEN_VLAN_PROC_INC__

#ifdef CONFIG_PROC_FS
int vlan_proc_init(void);
int vlan_proc_rem_dev(struct net_device *vlandev);
int vlan_proc_add_dev(struct net_device *vlandev);
void vlan_proc_cleanup(void);

#else /* No CONFIG_PROC_FS */

#define vlan_proc_init()	(0)
#define vlan_proc_cleanup()	do {} while (0)
#define vlan_proc_add_dev(dev)	({(void)(dev), 0; })
#define vlan_proc_rem_dev(dev)	({(void)(dev), 0; })
#endif

#endif /* !(__BEN_VLAN_PROC_INC__) */