serial: ar933x_uart: Fix off-by-one for checking valid alias id
authorAxel Lin <axel.lin@ingics.com>
Mon, 23 Feb 2015 03:34:30 +0000 (11:34 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 7 Mar 2015 02:20:25 +0000 (03:20 +0100)
commitbb8478d7d676802211a9a5d77bd0f87899900e41
tree33033fb00619d165fa2e9f9463b50fab172b8c1c
parent1d267ea6539f266352f4739c718e278dc62b1df7
serial: ar933x_uart: Fix off-by-one for checking valid alias id

Current code uses the alias id as array subscript of ar933x_console_ports.
So the valid id is 0 ... CONFIG_SERIAL_AR933X_NR_UARTS - 1.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/ar933x_uart.c