1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/serial/mcf.c b/drivers/serial/mcf.c
index 56841fe5f483..0eefb07bebaf 100644
--- a/drivers/serial/mcf.c
+++ b/drivers/serial/mcf.c
@@ -513,7 +513,7 @@ static int __init mcf_console_setup(struct console *co, char *options)
         int parity = 'n';
         int flow = 'n';
 
-        if ((co->index >= 0) && (co->index <= MCF_MAXPORTS))
+        if ((co->index < 0) || (co->index >= MCF_MAXPORTS))
                 co->index = 0;
         port = &mcf_ports[co->index].port;
         if (port->membase == 0)