From nobody Sun Feb 8 20:35:45 2026 Received: from cstnet.cn (smtp81.cstnet.cn [159.226.251.81]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9FE381EA65; Tue, 27 Jan 2026 03:41:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.81 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769485295; cv=none; b=j7uFp4i3VojyAuf7Xfiq07Y6LIeuX9jcC0Vv8sdFvHYMXsN1OXGYMINRJX2qN18wF5GaganS4/B4twQQ7EohXge8No+b7D1Eza8A7vX+AM7YsfC3RTs1KWIKxES1gyUlAJfMhMK8IRBSL9u0QAYMOs6pwHhHWU3jZij7oerBEhE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769485295; c=relaxed/simple; bh=URI8vlChpX59IeF6XmaxVY2GasJDyQSzNbFDVES9K48=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=FHG3jvw20BRRXYsvLek/R91QBihi/MAVItURG4v/lo67eCU6WzU+NJYrmWjs03t29Alza5vZ7n5uxi2hgrMTJd3tGjEGGOcJWSDjn1/JZ5r7UzuZeEKpKFHB1IMGct+3up/VqEM8leBKkVhfdEG4PyM4S29b2s0IkFEO7BtkFUU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from localhost (unknown [124.16.138.129]) by APP-03 (Coremail) with SMTP id rQCowAAnDOPgM3hp1sXoBg--.10824S2; Tue, 27 Jan 2026 11:41:20 +0800 (CST) From: Chen Ni To: lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, wens@kernel.org, jernej.skrabec@gmail.com, samuel@sholland.org, ckeepax@opensource.cirrus.com Cc: linux-sound@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Chen Ni Subject: [PATCH] ASoC: sun4i-spdif: Add missing check for devm_regmap_init_mmio Date: Tue, 27 Jan 2026 11:40:25 +0800 Message-Id: <20260127034025.2044669-1-nichen@iscas.ac.cn> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: rQCowAAnDOPgM3hp1sXoBg--.10824S2 X-Coremail-Antispam: 1UD129KBjvdXoWrZrWDXFy5CF4ktrWfJr15XFb_yoWfJrc_X3 ykuan5WFykKr9I9a4DJFZIyr48XF1vkFy7tr1UtFZxt34DGws5Z3y8AryrurWDX3y8CrWY vr1YvFZrA34agjkaLaAFLSUrUUUUbb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbf8FF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_ Gr1UM28EF7xvwVC2z280aVAFwI0_Cr1j6rxdM28EF7xvwVC2z280aVCY1x0267AKxVWxJr 0_GcWle2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E 2Ix0cI8IcVAFwI0_Wrv_ZF1lYx0Ex4A2jsIE14v26rkl6F8dMcvjeVCFs4IE7xkEbVWUJV W8JwACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2 Y2ka0xkIwI1lc7CjxVAaw2AFwI0_Jw0_GFylc2xSY4AK67AK6r48MxAIw28IcxkI7VAKI4 8JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xv wVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjx v20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw20E Y4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267 AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7sR_EoGDUUUUU== X-CM-SenderInfo: xqlfxv3q6l2u1dvotugofq/ Content-Type: text/plain; charset="utf-8" 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 --- sound/soc/sunxi/sun4i-spdif.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/sound/soc/sunxi/sun4i-spdif.c b/sound/soc/sunxi/sun4i-spdif.c index 1e755a716c63..65de03ca3ad2 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 *p= dev) =20 host->regmap =3D 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); + } =20 /* Clocks */ host->apb_clk =3D devm_clk_get(&pdev->dev, "apb"); --=20 2.25.1