drivers/serial/mpc52xx_uart.c: fix array overindexing check

The check for an overindexing of mpc52xx_uart_{ports,nodes} has an
off-by-one.

Signed-off-by: Roel Kluin <[email protected]>
Acked-by: Wolfram Sang <[email protected]>
Acked-by: Grant Likely <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Alan Cox <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index 7f72f8ceaa6f0ace5bbfac731662999081b4ebc5..b3feb6198d57171b30edcf4d3a51cada259af29b 100644 (file)
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -988,7 +988,7 @@ mpc52xx_console_setup(struct console *co, char *options)
        pr_debug("mpc52xx_console_setup co=%p, co->index=%i, options=%s\n",
                 co, co->index, options);
 
-       if ((co->index < 0) || (co->index > MPC52xx_PSC_MAXNUM)) {
+       if ((co->index < 0) || (co->index >= MPC52xx_PSC_MAXNUM)) {
                pr_debug("PSC%x out of range\n", co->index);
                return -EINVAL;
        }