On Thu, Sep 24, 2020 at 01:38:41PM +0200, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <[email protected]>
>
> GPIO line names are currently created by the driver from the chip label.
> We'll want to support custom formats for line names (for instance: to
> name all lines the same) for user-space tests so create them in the
> module init function and pass them to the driver using the standard
> 'gpio-line-names' property.
...
> + if (gpio_mockup_named_lines) {
> + line_names = gpio_mockup_make_line_names(chip_label,
> + ngpio);
> + if (!line_names) {
> + platform_driver_unregister(&gpio_mockup_driver);
> + gpio_mockup_unregister_pdevs();
> + return -ENOMEM;
> + }
> + properties[prop++] = PROPERTY_ENTRY_STRING_ARRAY_LEN(
> + "gpio-line-names",
> + line_names, ngpio);
Forgot to update GPIO_MOCKUP_MAX_PROP?
> + }
...
> + kfree_strarray(line_names, line_names ? ngpio : 0);
Perhaps you may check for NULL pointer in the kfree_strarray() and drop ternary
here?
--
With Best Regards,
Andy Shevchenko
