From nobody Thu Dec 18 08:09:23 2025 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 4AABCC433FE for ; Sat, 22 Oct 2022 08:17:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233422AbiJVIQz (ORCPT ); Sat, 22 Oct 2022 04:16:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57592 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233688AbiJVIOv (ORCPT ); Sat, 22 Oct 2022 04:14:51 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F719290E1D; Sat, 22 Oct 2022 00:55:53 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id CB7F5B82DF2; Sat, 22 Oct 2022 07:55:45 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 32472C433D6; Sat, 22 Oct 2022 07:55:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666425344; bh=/HIERa100lh8MOJ+VnEm9GMQEByn7+Vm+HFFy4N/aVA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nMxcUVRckV7hwBPYPE1F/9kS4ZlwYkEf5WRYgBQld3bJLftlQkLr63snN6mP9anSb f3fBX+zDuVyKCgbGEJvGsB5ECvQayt4IWBX17QOMg2p7442IvU+090zKvezEtafsuJ Sqttzz9s2myf8bhrwh0sIVBj59w6tP/Hg89jEY+g= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jiasheng Jiang , Lee Jones , Sasha Levin Subject: [PATCH 5.19 471/717] mfd: sm501: Add check for platform_driver_register() Date: Sat, 22 Oct 2022 09:25:50 +0200 Message-Id: <20221022072519.163507867@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221022072415.034382448@linuxfoundation.org> References: <20221022072415.034382448@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Jiasheng Jiang [ Upstream commit 8325a6c24ad78b8c1acc3c42b098ee24105d68e5 ] As platform_driver_register() can return error numbers, it should be better to check platform_driver_register() and deal with the exception. Fixes: b6d6454fdb66 ("[PATCH] mfd: SM501 core driver") Signed-off-by: Jiasheng Jiang Signed-off-by: Lee Jones Link: https://lore.kernel.org/r/20220913091112.1739138-1-jiasheng@iscas.ac.= cn Signed-off-by: Sasha Levin --- 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..3ac4508a6742 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 < 0) + return ret; + return pci_register_driver(&sm501_pci_driver); } =20 --=20 2.35.1