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 X-Spam-Level: X-Spam-Status: No, score=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C9C4DC433E0 for ; Sat, 8 Aug 2020 23:41:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9576A20656 for ; Sat, 8 Aug 2020 23:41:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596930073; bh=7Z67yiuQegVjWrCGGCo7BKtRbYxNROfYlA/TcJ0SUjw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=myI0etjmGjQigZOlBJa5RozIVJYzIElhgXoPtitWZn5ZUoPqbThC9lofnY7Y/IpIB EZEOmYWH0vYVm8gYE94Ou3BQYrnX/53GlpH/5DM96Rc9Br3ncdw+6U0Kis46Y6tZgS UllLNQdpppBQrso7fl3akI2Vf49i9ckfWhuwiS6E= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728973AbgHHXlK (ORCPT ); Sat, 8 Aug 2020 19:41:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:56872 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728183AbgHHXlF (ORCPT ); Sat, 8 Aug 2020 19:41:05 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D842F20658; Sat, 8 Aug 2020 23:41:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1596930064; bh=7Z67yiuQegVjWrCGGCo7BKtRbYxNROfYlA/TcJ0SUjw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rHIvV8vLsnv13AZs5tquGDWnerIiixWWW2YBIiJAfEfFbYt+mNHtRSjbpzgfLFQfX 54ROTbghvWhq4Q4fPgJBCNClIiiYJdvh16Hk8zS9kbkhPVMw5N0fPIMmw+SOeAz/gr B07i0B+cs4RqBXCoqULePMSg7cYPaXsLbQMPuzq4= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: yu kuai , Alexandre Belloni , Sasha Levin , linux-arm-kernel@lists.infradead.org Subject: [PATCH AUTOSEL 4.4 4/5] ARM: at91: pm: add missing put_device() call in at91_pm_sram_init() Date: Sat, 8 Aug 2020 19:40:52 -0400 Message-Id: <20200808234054.3619873-4-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200808234054.3619873-1-sashal@kernel.org> References: <20200808234054.3619873-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: yu kuai [ Upstream commit f87a4f022c44e5b87e842a9f3e644fba87e8385f ] if of_find_device_by_node() succeed, at91_pm_sram_init() doesn't have a corresponding put_device(). Thus add a jump target to fix the exception handling for this function implementation. Fixes: d2e467905596 ("ARM: at91: pm: use the mmio-sram pool to access SRAM") Signed-off-by: yu kuai Signed-off-by: Alexandre Belloni Link: https://lore.kernel.org/r/20200604123301.3905837-1-yukuai3@huawei.com Signed-off-by: Sasha Levin --- arch/arm/mach-at91/pm.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index 84eefbc2b4f93..5923f2ca510be 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -393,13 +393,13 @@ static void __init at91_pm_sram_init(void) sram_pool = gen_pool_get(&pdev->dev, NULL); if (!sram_pool) { pr_warn("%s: sram pool unavailable!\n", __func__); - return; + goto out_put_device; } sram_base = gen_pool_alloc(sram_pool, at91_pm_suspend_in_sram_sz); if (!sram_base) { pr_warn("%s: unable to alloc sram!\n", __func__); - return; + goto out_put_device; } sram_pbase = gen_pool_virt_to_phys(sram_pool, sram_base); @@ -407,12 +407,17 @@ static void __init at91_pm_sram_init(void) at91_pm_suspend_in_sram_sz, false); if (!at91_suspend_sram_fn) { pr_warn("SRAM: Could not map\n"); - return; + goto out_put_device; } /* Copy the pm suspend handler to SRAM */ at91_suspend_sram_fn = fncpy(at91_suspend_sram_fn, &at91_pm_suspend_in_sram, at91_pm_suspend_in_sram_sz); + return; + +out_put_device: + put_device(&pdev->dev); + return; } static void __init at91_pm_init(void) -- 2.25.1