From mboxrd@z Thu Jan 1 00:00:00 1970 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 32015C6FA83 for ; Tue, 13 Sep 2022 09:11:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231598AbiIMJLU (ORCPT ); Tue, 13 Sep 2022 05:11:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35022 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231566AbiIMJLR (ORCPT ); Tue, 13 Sep 2022 05:11:17 -0400 Received: from cstnet.cn (smtp21.cstnet.cn [159.226.251.21]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 6918758520 for ; Tue, 13 Sep 2022 02:11:14 -0700 (PDT) Received: from localhost.localdomain (unknown [124.16.138.126]) by APP-01 (Coremail) with SMTP id qwCowAAXH_MxSSBjcaoyAg--.30754S2; Tue, 13 Sep 2022 17:11:13 +0800 (CST) From: Jiasheng Jiang To: lee@kernel.org Cc: linux-kernel@vger.kernel.org, Jiasheng Jiang Subject: [PATCH] mfd: sm501: Add check for platform_driver_register Date: Tue, 13 Sep 2022 17:11:12 +0800 Message-Id: <20220913091112.1739138-1-jiasheng@iscas.ac.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: qwCowAAXH_MxSSBjcaoyAg--.30754S2 X-Coremail-Antispam: 1UD129KBjvdXoWrtw4DKF4DAr4DtFWUZw13urg_yoWfGrb_CF 18WFyxGr45CFna9F17A343ZryFkFs09rs3uF1IqFy3t343trnaqr4UZr47A3W8Cr1xAFnr KrnFkrWfCryakjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbcAFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_ Gr1UM28EF7xvwVC2z280aVAFwI0_Cr1j6rxdM28EF7xvwVC2z280aVCY1x0267AKxVW0oV Cq3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0 I7IYx2IY67AKxVWUGVWUXwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r 4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwCY02Avz4vE14v_GFWl 42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJV WUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1Y6r17MIIYrxkI7VAK I48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r 4UMIIF0xvE42xK8VAvwI8IcIk0rVWrJr0_WFyUJwCI42IY6I8E87Iv67AKxVWUJVW8JwCI 42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjfUeWrWUUUUU X-Originating-IP: [124.16.138.126] X-CM-SenderInfo: pmld2xxhqjqxpvfd2hldfou0/ Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 --- 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 = { static int __init sm501_base_init(void) { - platform_driver_register(&sm501_plat_driver); + int ret; + + ret = platform_driver_register(&sm501_plat_driver); + if (ret < 0) + return ret; + return pci_register_driver(&sm501_pci_driver); } -- 2.25.1