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 76D27C46467 for ; Mon, 16 Jan 2023 17:10:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229870AbjAPRK5 (ORCPT ); Mon, 16 Jan 2023 12:10:57 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36448 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234240AbjAPRKl (ORCPT ); Mon, 16 Jan 2023 12:10:41 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B787D31E19 for ; Mon, 16 Jan 2023 08:50:37 -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 dfw.source.kernel.org (Postfix) with ESMTPS id 54A1B61050 for ; Mon, 16 Jan 2023 16:50:37 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6641EC433EF; Mon, 16 Jan 2023 16:50:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1673887836; bh=tPzSE8FkuJ/C3ZSqnI8oDnyHherpgB4blqJuabmfgpY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=B+S6N39pZpPpLWExJ72aAyIfmyZBIsbKc5B4cuXvBzC4ZMnbROgajrvAJcwJyMlLY pPxpuP6oTltaXVu1UpioDCv6qtnpl0040jq49aunWoUYqddUMzba0EuU1+vU6SXuTn /pLpIKv9PcMe6iPY9OXHEoa7oq2uXWHeV96v7/uI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yang Yingliang , Sebastian Reichel , Sasha Levin Subject: [PATCH 4.19 260/521] HSI: omap_ssi_core: fix possible memory leak in ssi_probe() Date: Mon, 16 Jan 2023 16:48:42 +0100 Message-Id: <20230116154858.751919956@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: Yang Yingliang [ Upstream commit 1aff514e1d2bd47854dbbdf867970b9d463d4c57 ] If ssi_add_controller() returns error, it should call hsi_put_controller() to give up the reference that was set in hsi_alloc_controller(), so that it can call hsi_controller_release() to free controller and ports that allocated in hsi_alloc_controller(). Fixes: b209e047bc74 ("HSI: Introduce OMAP SSI driver") Signed-off-by: Yang Yingliang Signed-off-by: Sebastian Reichel Signed-off-by: Sasha Levin --- drivers/hsi/controllers/omap_ssi_core.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/hsi/controllers/omap_ssi_core.c b/drivers/hsi/controllers/omap_ssi_core.c index b91a6b6c0d7a..2f1a576fa8b7 100644 --- a/drivers/hsi/controllers/omap_ssi_core.c +++ b/drivers/hsi/controllers/omap_ssi_core.c @@ -538,8 +538,10 @@ static int ssi_probe(struct platform_device *pd) platform_set_drvdata(pd, ssi); err = ssi_add_controller(ssi, pd); - if (err < 0) + if (err < 0) { + hsi_put_controller(ssi); goto out1; + } pm_runtime_enable(&pd->dev); -- 2.35.1