From: Chen Ni Date: Tue, 27 Jan 2026 03:40:25 +0000 (+0800) Subject: ASoC: sun4i-spdif: Add missing check for devm_regmap_init_mmio X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8ef73c0fbd1e15ead401a74e7114d8d4614a74cf;p=thirdparty%2Fkernel%2Flinux.git ASoC: sun4i-spdif: Add missing check for devm_regmap_init_mmio 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 Link: https://patch.msgid.link/20260127034025.2044669-1-nichen@iscas.ac.cn Signed-off-by: Mark Brown --- diff --git a/sound/soc/sunxi/sun4i-spdif.c b/sound/soc/sunxi/sun4i-spdif.c index 1e755a716c632..65de03ca3ad29 100644 --- a/sound/soc/sunxi/sun4i-spdif.c +++ b/sound/soc/sunxi/sun4i-spdif.c @@ -684,6 +684,10 @@ static int sun4i_spdif_probe(struct platform_device *pdev) host->regmap = devm_regmap_init_mmio(&pdev->dev, base, &sun4i_spdif_regmap_config); + if (IS_ERR(host->regmap)) { + dev_err(&pdev->dev, "failed to initialise regmap.\n"); + return PTR_ERR(host->regmap); + } /* Clocks */ host->apb_clk = devm_clk_get(&pdev->dev, "apb");