aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/tty
diff options
context:
space:
mode:
authorYuriy Kozlov <ykozlov@ptcusa.com>2012-03-29 09:55:27 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-04-22 16:21:23 -0700
commita2646264907ed038852b3ffdea9901cd5ea2305f (patch)
tree5a2e188859fd958eaf2c85ba25b99042ec2931b4 /drivers/tty
parentb35a446b31f50aa11ca149b98bcfc517cdc9c8b6 (diff)
downloadkernel_samsung_smdk4412-a2646264907ed038852b3ffdea9901cd5ea2305f.zip
kernel_samsung_smdk4412-a2646264907ed038852b3ffdea9901cd5ea2305f.tar.gz
kernel_samsung_smdk4412-a2646264907ed038852b3ffdea9901cd5ea2305f.tar.bz2
tty: serial: altera_uart: Check for NULL platform_data in probe.
commit acede70d6561f2d042d9dbb153d9a3469479c0ed upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty')
-rw-r--r--drivers/tty/serial/altera_uart.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/serial/altera_uart.c b/drivers/tty/serial/altera_uart.c
index 50bc5a5..37db1d5 100644
--- a/drivers/tty/serial/altera_uart.c
+++ b/drivers/tty/serial/altera_uart.c
@@ -555,7 +555,7 @@ 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;
@@ -563,7 +563,7 @@ 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 */