From efea15e3c65d96bac17a4d8104e3fff7c07cc910 Mon Sep 17 00:00:00 2001 From: Marius Cristea Date: Mon, 18 Sep 2023 10:56:33 +0300 Subject: [PATCH] iio: adc: MCP3564: fix the static checker warning MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit The patch 33ec3e5fc1ea: "iio: adc: adding support for MCP3564 ADC" from Aug 29, 2023 (linux-next), leads to the following Smatch static checker warning:         drivers/iio/adc/mcp3564.c:1426 mcp3564_probe()         warn: address of NULL pointer 'indio_dev' drivers/iio/adc/mcp3564.c 1421 struct iio_dev *indio_dev; 1422 struct mcp3564_state *adc; 1423 1424 indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*adc)); 1425 if (!indio_dev) { --> 1426 dev_err_probe(&indio_dev->dev, PTR_ERR(indio_dev), ^^^^^^^^^^^^^^^ Fixes: 33ec3e5fc1ea (iio: adc: adding support for MCP3564 ADC) Signed-off-by: Marius Cristea Link: https://lore.kernel.org/r/20230918075633.1884-1-marius.cristea@microchip.com Signed-off-by: Jonathan Cameron --- drivers/iio/adc/mcp3564.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/iio/adc/mcp3564.c b/drivers/iio/adc/mcp3564.c index 64145f4ae55c9..9ede1a5d5d7bb 100644 --- a/drivers/iio/adc/mcp3564.c +++ b/drivers/iio/adc/mcp3564.c @@ -1422,11 +1422,8 @@ static int mcp3564_probe(struct spi_device *spi) struct mcp3564_state *adc; indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*adc)); - if (!indio_dev) { - dev_err_probe(&indio_dev->dev, PTR_ERR(indio_dev), - "Can't allocate iio device\n"); + if (!indio_dev) return -ENOMEM; - } adc = iio_priv(indio_dev); adc->spi = spi; -- 2.30.2