[PATCH] ASoC: sunxi: sun50i-dmic: Add missing check for devm_regmap_init_mmio
From: Chen Ni <hidden>
Date: 2026-01-27 03:33:48
Also in:
linux-sound, linux-sunxi, lkml
Subsystem:
allwinner dmic drivers, sound, sound - soc layer / dynamic audio power management (asoc), the rest · Maintainers:
Ban Tao, Jaroslav Kysela, Takashi Iwai, Liam Girdwood, Mark Brown, Linus Torvalds
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 <redacted> --- sound/soc/sunxi/sun50i-dmic.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/sound/soc/sunxi/sun50i-dmic.c b/sound/soc/sunxi/sun50i-dmic.c
index bab1e29c9988..69d2478ffc95 100644
--- a/sound/soc/sunxi/sun50i-dmic.c
+++ b/sound/soc/sunxi/sun50i-dmic.c@@ -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");
--
2.25.1