diff options
Diffstat (limited to 'drivers/gpio/gpiolib-devprop.c')
| -rw-r--r-- | drivers/gpio/gpiolib-devprop.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/drivers/gpio/gpiolib-devprop.c b/drivers/gpio/gpiolib-devprop.c index f748aa3e77f7..34bfcf7bfc7d 100644 --- a/drivers/gpio/gpiolib-devprop.c +++ b/drivers/gpio/gpiolib-devprop.c @@ -32,32 +32,29 @@ void devprop_gpiochip_set_names(struct gpio_chip *chip, struct gpio_device *gdev = chip->gpiodev; const char **names; int ret, i; + int count; - ret = fwnode_property_read_string_array(fwnode, "gpio-line-names", - NULL, 0); - if (ret < 0) + count = fwnode_property_read_string_array(fwnode, "gpio-line-names", + NULL, 0); + if (count < 0) return; - if (ret != gdev->ngpio) { - dev_warn(&gdev->dev, - "names %d do not match number of GPIOs %d\n", ret, - gdev->ngpio); - return; - } + if (count > gdev->ngpio) + count = gdev->ngpio; - names = kcalloc(gdev->ngpio, sizeof(*names), GFP_KERNEL); + names = kcalloc(count, sizeof(*names), GFP_KERNEL); if (!names) return; ret = fwnode_property_read_string_array(fwnode, "gpio-line-names", - names, gdev->ngpio); + names, count); if (ret < 0) { dev_warn(&gdev->dev, "failed to read GPIO line names\n"); kfree(names); return; } - for (i = 0; i < gdev->ngpio; i++) + for (i = 0; i < count; i++) gdev->descs[i].name = names[i]; kfree(names); |