--- zzzz-none-000/linux-3.10.107/include/linux/kdev_t.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/linux/kdev_t.h	2021-02-04 17:41:59.000000000 +0000
@@ -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 @@
 	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;
 }
@@ -54,11 +54,6 @@
 	return MKDEV(major, minor);
 }
 
-static inline int huge_valid_dev(dev_t dev)
-{
-	return 1;
-}
-
 static inline u64 huge_encode_dev(dev_t dev)
 {
 	return new_encode_dev(dev);