autofs: remove duplicated AUTOFS_DEV_IOCTL_SIZE definition
This macro is already defined in uapi header. Also use this macro where
possible.
Link: http://lkml.kernel.org/r/148577166656.9801.10322423666945951186.stgit@pluto.themaw.net
Signed-off-by: Tomohiro Kusumi <tkusumi@tuxera.com>
Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c
index 6f48d67..806df74 100644
--- a/fs/autofs4/dev-ioctl.c
+++ b/fs/autofs4/dev-ioctl.c
@@ -38,8 +38,6 @@
* which have been left busy at at service shutdown.
*/
-#define AUTOFS_DEV_IOCTL_SIZE sizeof(struct autofs_dev_ioctl)
-
typedef int (*ioctl_fn)(struct file *, struct autofs_sb_info *,
struct autofs_dev_ioctl *);
diff --git a/include/uapi/linux/auto_dev-ioctl.h b/include/uapi/linux/auto_dev-ioctl.h
index af107aa..744b3d0 100644
--- a/include/uapi/linux/auto_dev-ioctl.h
+++ b/include/uapi/linux/auto_dev-ioctl.h
@@ -113,10 +113,10 @@ struct autofs_dev_ioctl {
static inline void init_autofs_dev_ioctl(struct autofs_dev_ioctl *in)
{
- memset(in, 0, sizeof(struct autofs_dev_ioctl));
+ memset(in, 0, AUTOFS_DEV_IOCTL_SIZE);
in->ver_major = AUTOFS_DEV_IOCTL_VERSION_MAJOR;
in->ver_minor = AUTOFS_DEV_IOCTL_VERSION_MINOR;
- in->size = sizeof(struct autofs_dev_ioctl);
+ in->size = AUTOFS_DEV_IOCTL_SIZE;
in->ioctlfd = -1;
}