1 files changed, 22 insertions, 0 deletions
diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h
index 5cb258cd9d29..e1be769cbf9f 100644
--- a/arch/s390/include/asm/uaccess.h
+++ b/arch/s390/include/asm/uaccess.h
@@ -32,6 +32,28 @@ raw_copy_to_user(void __user *to, const void *from, unsigned long n);
 #define INLINE_COPY_TO_USER
 #endif
 
+unsigned long __must_check
+_copy_from_user_key(void *to, const void __user *from, unsigned long n, unsigned long key);
+
+static __always_inline unsigned long __must_check
+copy_from_user_key(void *to, const void __user *from, unsigned long n, unsigned long key)
+{
+	if (likely(check_copy_size(to, n, false)))
+		n = _copy_from_user_key(to, from, n, key);
+	return n;
+}
+
+unsigned long __must_check
+_copy_to_user_key(void __user *to, const void *from, unsigned long n, unsigned long key);
+
+static __always_inline unsigned long __must_check
+copy_to_user_key(void __user *to, const void *from, unsigned long n, unsigned long key)
+{
+	if (likely(check_copy_size(from, n, true)))
+		n = _copy_to_user_key(to, from, n, key);
+	return n;
+}
+
 int __put_user_bad(void) __attribute__((noreturn));
 int __get_user_bad(void) __attribute__((noreturn));