From nobody Wed Apr 29 00:44:43 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 51E42C433F5 for ; Thu, 26 May 2022 09:28:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241511AbiEZJ2a (ORCPT ); Thu, 26 May 2022 05:28:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59250 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239161AbiEZJ21 (ORCPT ); Thu, 26 May 2022 05:28:27 -0400 Received: from cstnet.cn (smtp21.cstnet.cn [159.226.251.21]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id B4D665EBDF for ; Thu, 26 May 2022 02:28:25 -0700 (PDT) Received: from localhost.localdomain (unknown [124.16.138.126]) by APP-01 (Coremail) with SMTP id qwCowAB3fY02SI9i5Yh8Cg--.41227S2; Thu, 26 May 2022 17:28:23 +0800 (CST) From: Jiasheng Jiang To: lee.jones@linaro.org Cc: linux-kernel@vger.kernel.org, Jiasheng Jiang Subject: [PATCH] mfd: sm501: barco-p50-gpio: Add check for platform_driver_register Date: Thu, 26 May 2022 17:28:19 +0800 Message-Id: <20220526092819.1469232-1-jiasheng@iscas.ac.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qwCowAB3fY02SI9i5Yh8Cg--.41227S2 X-Coremail-Antispam: 1UD129KBjvdXoWrtw18uF43GFyfuw4DKr13twb_yoWfJrb_Cr 18WFyxGr4akFna9F4UJ34fZ340yFs09rs3uF10qFy3ta43trnIqr1UZr47A3W8Cr1xA3Zr KwnFkrWfCryakjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbzxFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_ Cr1l84ACjcxK6I8E87Iv67AKxVWxJr0_GcWl84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s 0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xII jxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr 1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxAIw28IcxkI7VAKI48J MxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwV AFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUXVWUAwCIc40Y0x0EwIxGrwCI42IY6xIIjxv2 0xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWUJVW8JwCI42IY6xAIw20EY4 v20xvaj40_Wr1j6rW3Jr1lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x02 67AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7VUbrMaUUUUUU== 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 platform_driver_register() could fail, it should be better to deal with the return value in order to maintain the code consisitency. Fixes: b6d6454fdb66 ("[PATCH] mfd: SM501 core driver") Signed-off-by: Jiasheng Jiang --- drivers/mfd/sm501.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c index bc0a2c38653e..41c8756bbf88 100644 --- a/drivers/mfd/sm501.c +++ b/drivers/mfd/sm501.c @@ -1720,7 +1720,12 @@ static struct platform_driver sm501_plat_driver =3D { =20 static int __init sm501_base_init(void) { - platform_driver_register(&sm501_plat_driver); + int ret; + + ret =3D platform_driver_register(&sm501_plat_driver); + if (ret) + return ret; + return pci_register_driver(&sm501_pci_driver); } =20 --=20 2.25.1