1 files changed, 5 insertions, 0 deletions
diff --git a/fs/unicode/utf8-selftest.c b/fs/unicode/utf8-selftest.c
index 37f33890e012..80fb7c75acb2 100644
--- a/fs/unicode/utf8-selftest.c
+++ b/fs/unicode/utf8-selftest.c
@@ -160,6 +160,11 @@ static const struct {
 	}
 };
 
+static ssize_t utf8len(const struct utf8data *data, const char *s)
+{
+	return utf8nlen(data, s, (size_t)-1);
+}
+
 static void check_utf8_nfdi(void)
 {
 	int i;