diff options
| author |   Yuriy Kozlov <ykozlov@ptcusa.com> | 2012-03-29 09:55:27 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-09 10:30:39 -0700 |
| commit | acede70d6561f2d042d9dbb153d9a3469479c0ed (patch) | |
| tree | 6a458b7572de459a0c2ab9c82fc93b2ae351820f /drivers/tty | |
| parent | isdn/gigaset: use gig_dbg() for debugging output (diff) | |
| download | linux-dev-acede70d6561f2d042d9dbb153d9a3469479c0ed.tar.xz linux-dev-acede70d6561f2d042d9dbb153d9a3469479c0ed.zip | |
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 <ykozlov@ptcusa.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/altera_uart.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/serial/altera_uart.c b/drivers/tty/serial/altera_uart.c index e7903751e058..1f0330915d5a 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 */ |