1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/serial/m32r_sio.c b/drivers/serial/m32r_sio.c
index c85ac1a77608..7656a35f5e2f 100644
--- a/drivers/serial/m32r_sio.c
+++ b/drivers/serial/m32r_sio.c
@@ -590,7 +590,7 @@ static void m32r_sio_timeout(unsigned long data)
         sts = sio_in(up, SIOSTS);
         if (sts & 0x5) {
                 spin_lock(&up->port.lock);
-                m32r_sio_handle_port(up, sts, NULL);
+                m32r_sio_handle_port(up, sts);
                 spin_unlock(&up->port.lock);
         }