From acede70d6561f2d042d9dbb153d9a3469479c0ed Mon Sep 17 00:00:00 2001 From: Yuriy Kozlov Date: Thu, 29 Mar 2012 09:55:27 +0200 Subject: tty: serial: altera_uart: Check for NULL platform_data in probe. Follow altera_jtag_uart. This fixes a crash if there is a mistake in the DTS. Signed-off-by: Yuriy Kozlov Signed-off-by: Tobias Klauser Cc: stable Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/altera_uart.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/tty') diff --git a/drivers/tty/serial/altera_uart.c b/drivers/tty/serial/altera_uart.c index e7903751e05..1f0330915d5 100644 --- a/drivers/tty/serial/altera_uart.c +++ b/drivers/tty/serial/altera_uart.c @@ -556,7 +556,7 @@ static int __devinit altera_uart_probe(struct platform_device *pdev) res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (res_mem) port->mapbase = res_mem->start; - else if (platp->mapbase) + else if (platp) port->mapbase = platp->mapbase; else return -EINVAL; @@ -564,7 +564,7 @@ static int __devinit altera_uart_probe(struct platform_device *pdev) res_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); if (res_irq) port->irq = res_irq->start; - else if (platp->irq) + else if (platp) port->irq = platp->irq; /* Check platform data first so we can override device node data */ -- cgit v1.2.3