forked from Minki/linux
gpiolib: use gpiochip_get_desc() in linehandle_create()
Unduplicate the ngpio check by simply calling gpiochip_get_desc() and checking its return value. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
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@ -678,14 +678,13 @@ static int linehandle_create(struct gpio_device *gdev, void __user *ip)
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/* Request each GPIO */
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for (i = 0; i < handlereq.lines; i++) {
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u32 offset = handlereq.lineoffsets[i];
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struct gpio_desc *desc;
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struct gpio_desc *desc = gpiochip_get_desc(gdev->chip, offset);
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if (offset >= gdev->ngpio) {
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ret = -EINVAL;
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if (IS_ERR(desc)) {
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ret = PTR_ERR(desc);
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goto out_free_descs;
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}
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desc = &gdev->descs[offset];
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ret = gpiod_request(desc, lh->label);
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if (ret)
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goto out_free_descs;
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