ASoC: sunxi: sun50i-dmic: Add missing check for devm_regmap_init_mmio
Commit Message
Add check for the return value of devm_regmap_init_mmio() and return the
error if it fails in order to catch the error.
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
---
sound/soc/sunxi/sun50i-dmic.c | 3 +++
1 file changed, 3 insertions(+)
@@ -358,6 +358,9 @@ static int sun50i_dmic_probe(struct platform_device *pdev)
host->regmap = devm_regmap_init_mmio(&pdev->dev, base,
&sun50i_dmic_regmap_config);
+ if (IS_ERR(host->regmap))
+ return dev_err_probe(&pdev->dev, PTR_ERR(host->regmap),
+ "failed to initialise regmap\n");
/* Clocks */
host->bus_clk = devm_clk_get(&pdev->dev, "bus");