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iio: pressure: bmp280: Use IS_ERR() in bmp280_common_probe()

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`devm_gpiod_get_optional()` may return non-NULL error pointer on failure.
Check its return value using `IS_ERR()` and propagate the error if
necessary.

Fixes: df6e71256c ("iio: pressure: bmp280: Explicitly mark GPIO optional")
Signed-off-by: Salah Triki <salah.triki@gmail.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Link: https://patch.msgid.link/20250818092740.545379-2-salah.triki@gmail.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Salah Triki 2025-08-18 10:27:30 +01:00 committed by Jonathan Cameron
parent 433b99e922
commit 43c0f6456f
1 changed files with 5 additions and 4 deletions
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9
drivers/iio/pressure/bmp280-core.c
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@ -3213,11 +3213,12 @@ int bmp280_common_probe(struct device *dev,
/* Bring chip out of reset if there is an assigned GPIO line */ /* Bring chip out of reset if there is an assigned GPIO line */
gpiod = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); gpiod = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
if (IS_ERR(gpiod))
return dev_err_probe(dev, PTR_ERR(gpiod), "failed to get reset GPIO\n");
/* Deassert the signal */ /* Deassert the signal */
if (gpiod) { dev_info(dev, "release reset\n");
dev_info(dev, "release reset\n"); gpiod_set_value(gpiod, 0);
gpiod_set_value(gpiod, 0);
}
data->regmap = regmap; data->regmap = regmap;