1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index d549fe1fa42a..9d357da817de 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -883,7 +883,7 @@ auart_console_write(struct console *co, const char *str, unsigned int count)
         unsigned int old_ctrl0, old_ctrl2;
         unsigned int to = 1000;
 
-        if (co->index > MXS_AUART_PORTS || co->index < 0)
+        if (co->index >= MXS_AUART_PORTS || co->index < 0)
                 return;
 
         s = auart_port[co->index];