c2port: annotate bitfield for kmemcheck

This silences a false positive warning with kmemcheck.

Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>

2 files changed, 5 insertions, 0 deletions

diff --git a/drivers/misc/c2port/core.c b/drivers/misc/c2port/core.c
index 0207dd59090d..b5346b4db91a 100644
--- a/drivers/misc/c2port/core.c
+++ b/drivers/misc/c2port/core.c
@@ -15,6 +15,7 @@
 #include <linux/errno.h>
 #include <linux/err.h>
 #include <linux/kernel.h>
+#include <linux/kmemcheck.h>
 #include <linux/ctype.h>
 #include <linux/delay.h>
 #include <linux/idr.h>
@@ -891,6 +892,7 @@ struct c2port_device *c2port_device_register(char *name,
                 return ERR_PTR(-EINVAL);
 
         c2dev = kmalloc(sizeof(struct c2port_device), GFP_KERNEL);
+        kmemcheck_annotate_bitfield(c2dev, flags);
         if (unlikely(!c2dev))
                 return ERR_PTR(-ENOMEM);
 
diff --git a/include/linux/c2port.h b/include/linux/c2port.h
index 7b5a2388ba67..2a5cd867c365 100644
--- a/include/linux/c2port.h
+++ b/include/linux/c2port.h
@@ -10,6 +10,7 @@
  */
 
 #include <linux/device.h>
+#include <linux/kmemcheck.h>
 
 #define C2PORT_NAME_LEN                 32
 
@@ -20,8 +21,10 @@
 /* Main struct */
 struct c2port_ops;
 struct c2port_device {
+        kmemcheck_bitfield_begin(flags);
         unsigned int access:1;
         unsigned int flash_access:1;
+        kmemcheck_bitfield_end(flags);
 
         int id;
         char name[C2PORT_NAME_LEN];