1 files changed, 19 insertions, 1 deletions

diff --git a/include/linux/compat.h b/include/linux/compat.h
index 63609398ef9f..9e40be522793 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -731,7 +731,25 @@ asmlinkage long compat_sys_fanotify_mark(int, unsigned int, __u32, __u32,
 static inline bool in_compat_syscall(void) { return is_compat_task(); }
 #endif
 
-#else
+/**
+ * ns_to_compat_timeval - Compat version of ns_to_timeval
+ * @nsec:       the nanoseconds value to be converted
+ *
+ * Returns the compat_timeval representation of the nsec parameter.
+ */
+static inline struct compat_timeval ns_to_compat_timeval(s64 nsec)
+{
+        struct timeval tv;
+        struct compat_timeval ctv;
+
+        tv = ns_to_timeval(nsec);
+        ctv.tv_sec = tv.tv_sec;
+        ctv.tv_usec = tv.tv_usec;
+
+        return ctv;
+}
+
+#else /* !CONFIG_COMPAT */
 
 #define is_compat_task() (0)
 static inline bool in_compat_syscall(void) { return false; }