From nobody Tue Apr 28 18:22:26 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 70C23C433EF for ; Tue, 31 May 2022 09:47:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245364AbiEaJrj (ORCPT ); Tue, 31 May 2022 05:47:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34252 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S245352AbiEaJrd (ORCPT ); Tue, 31 May 2022 05:47:33 -0400 Received: from cstnet.cn (smtp84.cstnet.cn [159.226.251.84]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id A803250476 for ; Tue, 31 May 2022 02:47:30 -0700 (PDT) Received: from localhost.localdomain (unknown [124.16.138.126]) by APP-05 (Coremail) with SMTP id zQCowABXX5Mi5JViNrfvCw--.18879S2; Tue, 31 May 2022 17:47:16 +0800 (CST) From: Jiasheng Jiang To: support.opensource@diasemi.com, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Jiasheng Jiang Subject: [PATCH] ASoC: codecs: da7210: add check for i2c_add_driver Date: Tue, 31 May 2022 17:47:12 +0800 Message-Id: <20220531094712.2376759-1-jiasheng@iscas.ac.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: zQCowABXX5Mi5JViNrfvCw--.18879S2 X-Coremail-Antispam: 1UD129KBjvdXoW7Xry8Gw45CF15JFyDKr1fCrg_yoWDJwc_C3 y7Ww4jq3y8KrnakF13Ja1YvrsIvF15Jr15Cw4ftryrJ34rAr1FyrW8Ar93Cr48Zryvka98 CFW2grWxCw1SgjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbzxFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_ Cr1l84ACjcxK6I8E87Iv67AKxVWxJr0_GcWl84ACjcxK6I8E87Iv6xkF7I0E14v26F4UJV W0owAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0 I7IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r 4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwCF04k20xvY0x0EwIxG rwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4 vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IY x2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Jr0_Gr1lIxAIcVCF04k26c xKx2IYs7xG6rW3Jr0E3s1lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x02 67AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7VUbXdbUUUUUU== X-Originating-IP: [124.16.138.126] X-CM-SenderInfo: pmld2xxhqjqxpvfd2hldfou0/ Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" As i2c_add_driver could return error if fails, it should be better to check the return value. However, if the CONFIG_I2C and CONFIG_SPI_MASTER are both true, the return value of i2c_add_driver will be covered by spi_register_driver. Therefore, it is necessary to add check and return error if fails. Fixes: aa0e25caafb7 ("ASoC: da7210: Add support for spi regmap") Signed-off-by: Jiasheng Jiang --- sound/soc/codecs/da7210.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sound/soc/codecs/da7210.c b/sound/soc/codecs/da7210.c index 3fa3042e4424..76a21976ccdd 100644 --- a/sound/soc/codecs/da7210.c +++ b/sound/soc/codecs/da7210.c @@ -1335,6 +1335,8 @@ static int __init da7210_modinit(void) int ret =3D 0; #if IS_ENABLED(CONFIG_I2C) ret =3D i2c_add_driver(&da7210_i2c_driver); + if (ret) + return ret; #endif #if defined(CONFIG_SPI_MASTER) ret =3D spi_register_driver(&da7210_spi_driver); --=20 2.25.1