Commit 3843bfd0ab77eaf125ca617922927b61fc8ded74
"serial: imx: Determine device name from device tree"
broke this driver for non-devicetree boards, since
of_alias_get may not be called with a NULL pointer
as first argument.
Signed-off-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
---
drivers/serial/serial_imx.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/serial/serial_imx.c b/drivers/serial/serial_imx.c
index 474bfaf..e379f29 100644
--- a/drivers/serial/serial_imx.c
+++ b/drivers/serial/serial_imx.c
@@ -338,9 +338,11 @@ static int imx_serial_probe(struct device_d *dev)
cdev->flush = imx_serial_flush;
cdev->setbrg = imx_serial_setbaudrate;
cdev->linux_console_name = "ttymxc";
- devname = of_alias_get(dev->device_node);
- if (devname)
- cdev->devname = xstrdup(devname);
+ if (dev->device_node) {
+ devname = of_alias_get(dev->device_node);
+ if (devname)
+ cdev->devname = xstrdup(devname);
+ }
imx_serial_init_port(cdev);
--
2.0.1
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