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| author |   Axel Lin <axel.lin@ingics.com> | 2015-02-23 11:34:30 +0800 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-07 03:20:25 +0100 |
| commit | bb8478d7d676802211a9a5d77bd0f87899900e41 (patch) | |
| tree | 33033fb00619d165fa2e9f9463b50fab172b8c1c /drivers/tty/serial/ar933x_uart.c | |
| parent | serial: mctrl-gpio: simplify init routine (diff) | |
| download | linux-dev-bb8478d7d676802211a9a5d77bd0f87899900e41.tar.xz linux-dev-bb8478d7d676802211a9a5d77bd0f87899900e41.zip | |
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>
Diffstat (limited to 'drivers/tty/serial/ar933x_uart.c')
| -rw-r--r-- | drivers/tty/serial/ar933x_uart.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/serial/ar933x_uart.c b/drivers/tty/serial/ar933x_uart.c index 77fc9faa74a4..1519d2ca7705 100644 --- a/drivers/tty/serial/ar933x_uart.c +++ b/drivers/tty/serial/ar933x_uart.c @@ -649,7 +649,7 @@ static int ar933x_uart_probe(struct platform_device *pdev) id = 0; } - if (id > CONFIG_SERIAL_AR933X_NR_UARTS) + if (id >= CONFIG_SERIAL_AR933X_NR_UARTS) return -EINVAL; irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); |