Commit bb8478d7 authored Feb 23, 2015 by Axel Lin Committed by Greg Kroah-Hartman Mar 07, 2015

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>

parent 1d267ea6

drivers/tty/serial/ar933x_uart.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);