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 B507DC54EBE for ; Mon, 16 Jan 2023 17:10:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234340AbjAPRK2 (ORCPT ); Mon, 16 Jan 2023 12:10:28 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36672 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234271AbjAPRKH (ORCPT ); Mon, 16 Jan 2023 12:10:07 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1A20042DF8 for ; Mon, 16 Jan 2023 08:50:13 -0800 (PST) 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 C23A5B8105D for ; Mon, 16 Jan 2023 16:50:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2E667C433D2; Mon, 16 Jan 2023 16:50:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1673887810; bh=YYH7BdtKsVIGbKRdZzknBbx9GBs7wx+C+iKW0GYxji4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qy0tpu/LW3U/Uq00l6MGQQC9LN4g2D4Bn/4lc7w8Ul/tgIgDMQ746EMkkXcjC4jZe zA56iiOrO4p2Ca4wQfA2JYZg57z9hhKyAyKkqldNdHGtnL+spTSgIwDtvHoYQprpqX Y/rzL2My8g0jWep4DW1DZ82XpyAvHkFtyTEtE/xU= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yuan Can , Sebastian Reichel , Sasha Levin Subject: [PATCH 4.19 263/521] HSI: omap_ssi_core: Fix error handling in ssi_init() Date: Mon, 16 Jan 2023 16:48:45 +0100 Message-Id: <20230116154858.893895841@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230116154847.246743274@linuxfoundation.org> References: <20230116154847.246743274@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Yuan Can [ Upstream commit 3ffa9f713c39a213a08d9ff13ab983a8aa5d8b5d ] The ssi_init() returns the platform_driver_register() directly without checking its return value, if platform_driver_register() failed, the ssi_pdriver is not unregistered. Fix by unregister ssi_pdriver when the last platform_driver_register() failed. Fixes: 0fae198988b8 ("HSI: omap_ssi: built omap_ssi and omap_ssi_port into one module") Signed-off-by: Yuan Can Signed-off-by: Sebastian Reichel Signed-off-by: Sasha Levin --- drivers/hsi/controllers/omap_ssi_core.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/hsi/controllers/omap_ssi_core.c b/drivers/hsi/controllers/omap_ssi_core.c index 2f1a576fa8b7..6595f34e51aa 100644 --- a/drivers/hsi/controllers/omap_ssi_core.c +++ b/drivers/hsi/controllers/omap_ssi_core.c @@ -667,7 +667,13 @@ static int __init ssi_init(void) { if (ret) return ret; - return platform_driver_register(&ssi_port_pdriver); + ret = platform_driver_register(&ssi_port_pdriver); + if (ret) { + platform_driver_unregister(&ssi_pdriver); + return ret; + } + + return 0; } module_init(ssi_init); -- 2.35.1