Commit c53bd2e1 authored by Vegard Nossum's avatar Vegard Nossum
Browse files

c2port: annotate bitfield for kmemcheck 



This silences a false positive warning with kmemcheck.

Signed-off-by: default avatarVegard Nossum <vegard.nossum@gmail.com>
parent 9e337b0f

drivers/misc/c2port/core.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -15,6 +15,7 @@ 
#include <linux/errno.h>

#include <linux/errno.h>

#include <linux/err.h>

#include <linux/err.h>

#include <linux/kernel.h>

#include <linux/kernel.h>

#include <linux/kmemcheck.h>

#include <linux/ctype.h>

#include <linux/ctype.h>

#include <linux/delay.h>

#include <linux/delay.h>

#include <linux/idr.h>

#include <linux/idr.h>
@@ -891,6 +892,7 @@ struct c2port_device *c2port_device_register(char *name, 
		return ERR_PTR(-EINVAL);

		return ERR_PTR(-EINVAL);





	c2dev = kmalloc(sizeof(struct c2port_device), GFP_KERNEL);

	c2dev = kmalloc(sizeof(struct c2port_device), GFP_KERNEL);

	kmemcheck_annotate_bitfield(c2dev, flags);

	if (unlikely(!c2dev))

	if (unlikely(!c2dev))

		return ERR_PTR(-ENOMEM);

		return ERR_PTR(-ENOMEM);

include/linux/c2port.h

+3 −0
Original line number Original line Diff line number Diff line
@@ -10,6 +10,7 @@ 
 */

 */





#include <linux/device.h>

#include <linux/device.h>

#include <linux/kmemcheck.h>





#define C2PORT_NAME_LEN			32

#define C2PORT_NAME_LEN			32
@@ -20,8 +21,10 @@ 
/* Main struct */

/* Main struct */

struct c2port_ops;

struct c2port_ops;

struct c2port_device {

struct c2port_device {

	kmemcheck_bitfield_begin(flags);

	unsigned int access:1;

	unsigned int access:1;

	unsigned int flash_access:1;

	unsigned int flash_access:1;

	kmemcheck_bitfield_end(flags);





	int id;

	int id;

	char name[C2PORT_NAME_LEN];

	char name[C2PORT_NAME_LEN];