On Thu, Aug 25, 2022 at 03:02:09PM +0200, Oleksij Rempel wrote:
> +static struct pse_control *
> +fwnode_find_pse_control(struct fwnode_handle *fwnode)
> +{
> + struct pse_control *psec;
> + struct device_node *np;
> +
> + if (is_acpi_node(fwnode))
> + return NULL;
> +
> + np = to_of_node(fwnode);
> + if (!np)
> + return NULL;
Doesn't to_of_node() confirm that the fwnode is a DT node? In other
words, isn't the "is_acpi_node()" entirely redundant?
> +
> + psec = of_pse_control_get(np);
> + if (IS_ERR_OR_NULL(psec))
> + return NULL;
> +
> + return psec;
> +}
So fwnode_find_pse_control() returns NULL on error.
> + psec = fwnode_find_pse_control(child);
> + if (IS_ERR(psec))
> + return PTR_ERR(psec);
This usage expects it to return an error-pointer.
Clearly, there is some disagreement about what fwnode_find_pse_control()
returns on error.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
