On Thu, Jun 13, 2019 at 07:00:16PM +0100, Russell King - ARM Linux admin wrote: > On Thu, Jun 13, 2019 at 09:51:02AM +0300, Dan Carpenter wrote: > > The acpi_node_get_property_reference() doesn't return ACPI error codes, > > it just returns regular negative kernel error codes. This patch doesn't > > affect run time, it's just a clean up. > > > > Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> > > --- > > drivers/net/phy/sfp.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c > > index a991c80e6567..8a99307c1c39 100644 > > --- a/drivers/net/phy/sfp.c > > +++ b/drivers/net/phy/sfp.c > > @@ -1848,7 +1848,7 @@ static int sfp_probe(struct platform_device *pdev) > > int ret; > > > > ret = acpi_node_get_property_reference(fw, "i2c-bus", 0, &args); > > - if (ACPI_FAILURE(ret) || !is_acpi_device_node(args.fwnode)) { > > + if (ret || !is_acpi_device_node(args.fwnode)) { > > dev_err(&pdev->dev, "missing 'i2c-bus' property\n"); > > return -ENODEV; > > If "ret" is a Linux error code, should we print its value when reporting > the error so we know why the failure occurred, and propagate the error > code? We can't propagate the error code because we might have failed because acpi_node_get_property_reference() succeeded but it's not a device node. regards, dan carpenter