iio: adc: stm32-dfsdm: missing error case during probe (d2fc0156) · Commits · 戴 / test

During probe, check the devm_ioremap_resource() error value. Also return the devm_clk_get() error value instead of -EINVAL. Signed-off-by:

drivers/iio/adc/stm32-dfsdm-core.c

+6 −2

Original line number	Diff line number	Diff line
		@@ -233,6 +233,8 @@ static int stm32_dfsdm_parse_of(struct platform_device *pdev,
		}
		priv->dfsdm.phys_base = res->start;
		priv->dfsdm.base = devm_ioremap_resource(&pdev->dev, res);
		if (IS_ERR(priv->dfsdm.base))
		return PTR_ERR(priv->dfsdm.base);

		/*
		* "dfsdm" clock is mandatory for DFSDM peripheral clocking.
		@@ -242,8 +244,10 @@ static int stm32_dfsdm_parse_of(struct platform_device *pdev,
		*/
		priv->clk = devm_clk_get(&pdev->dev, "dfsdm");
		if (IS_ERR(priv->clk)) {
		dev_err(&pdev->dev, "No stm32_dfsdm_clk clock found\n");
		return -EINVAL;
		ret = PTR_ERR(priv->clk);
		if (ret != -EPROBE_DEFER)
		dev_err(&pdev->dev, "Failed to get clock (%d)\n", ret);
		return ret;
		}

		priv->aclk = devm_clk_get(&pdev->dev, "audio");