include/linux/kdev_t.h: old/new_valid_dev() can return bool

Make old/new_valid_dev return bool due to these two particular functions
only using either one or zero as their return value.

No functional change.

Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/include/linux/kdev_t.h b/include/linux/kdev_t.h
index a546d206c7f352eb96e1cbfa71b3c76885743a76..052c7b32cc91d3ebd051d3018739227e303967b1 100644 (file)
--- a/include/linux/kdev_t.h
+++ b/include/linux/kdev_t.h
@@ -20,7 +20,7 @@
        })
 
 /* acceptable for old filesystems */
-static inline int old_valid_dev(dev_t dev)
+static inline bool old_valid_dev(dev_t dev)
 {
        return MAJOR(dev) < 256 && MINOR(dev) < 256;
 }
@@ -35,7 +35,7 @@ static inline dev_t old_decode_dev(u16 val)
        return MKDEV((val >> 8) & 255, val & 255);
 }
 
-static inline int new_valid_dev(dev_t dev)
+static inline bool new_valid_dev(dev_t dev)
 {
        return 1;
 }