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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)
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>

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