nvdimm: constify device_type structures

Declare device_type structure as const as it is only stored in the
type field of a device structure. This field is of type const, so add
const to declaration of device_type structure.

File size before:
  text	   data	    bss	    dec	    hex	filename
  19278	   3199	     16	  22493	   57dd	nvdimm/namespace_devs.o

File size after:
  text	   data	    bss	    dec	    hex	filename
  19929	   3160	     16	  23105	   5a41	nvdimm/namespace_devs.o

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

path: root/net/8021q/vlanproc.h

#ifndef __BEN_VLAN_PROC_INC__
#define __BEN_VLAN_PROC_INC__

#ifdef CONFIG_PROC_FS
struct net;

int vlan_proc_init(struct net *net);
void vlan_proc_rem_dev(struct net_device *vlandev);
int vlan_proc_add_dev(struct net_device *vlandev);
void vlan_proc_cleanup(struct net *net);

#else /* No CONFIG_PROC_FS */

#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)	do {} while (0)
#endif

#endif /* !(__BEN_VLAN_PROC_INC__) */