diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index f4b5a0b..640feaa 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -1533,11 +1533,6 @@
 	return 0;
 }
 
-static inline unsigned int sel_div(unsigned long a, unsigned long b)
-{
-	return a / b - (a % b < 0);
-}
-
 static inline unsigned long sel_class_to_ino(u16 class)
 {
 	return (class * (SEL_VEC_MAX + 1)) | SEL_CLASS_INO_OFFSET;
@@ -1545,7 +1540,7 @@
 
 static inline u16 sel_ino_to_class(unsigned long ino)
 {
-	return sel_div(ino & SEL_INO_MASK, SEL_VEC_MAX + 1);
+	return (ino & SEL_INO_MASK) / (SEL_VEC_MAX + 1);
 }
 
 static inline unsigned long sel_perm_to_ino(u16 class, u32 perm)