[6/7] autofs: remove duplicated AUTOFS_DEV_IOCTL_SIZE definition

Commit Message

Ian Kent Jan. 30, 2017, 10:21 a.m. UTC

From: Tomohiro Kusumi <[e-mail]>

This macro is already defined in uapi header.
Also use this macro where possible.

Signed-off-by: Tomohiro Kusumi <[e-mail]>
Signed-off-by: Ian Kent <[e-mail]>
---
 fs/autofs4/dev-ioctl.c              |    2 --
 include/uapi/linux/auto_dev-ioctl.h |    4 ++--
 2 files changed, 2 insertions(+), 4 deletions(-)


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Patch

diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c
index fc09eb7..35099ac 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;
 }