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=-17.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=unavailable 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 8E2A4C433DB for ; Mon, 1 Mar 2021 23:56:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 690876023B for ; Mon, 1 Mar 2021 23:56:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346986AbhCAXvZ (ORCPT ); Mon, 1 Mar 2021 18:51:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59704 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239460AbhCASPq (ORCPT ); Mon, 1 Mar 2021 13:15:46 -0500 Received: from mail-wr1-x42a.google.com (mail-wr1-x42a.google.com [IPv6:2a00:1450:4864:20::42a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D6092C06178B for ; Mon, 1 Mar 2021 10:15:05 -0800 (PST) Received: by mail-wr1-x42a.google.com with SMTP id j2so4310785wrx.9 for ; Mon, 01 Mar 2021 10:15:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=1TZn5aNPCl1cGxDvp7RwBF7xgvk6iFKcNOp5AnS19Cc=; b=KaM/YzkDQJhjvMuxUHB/bfLDq0gMOJbpd6BQKJAt37xrn7iHDCbAJspU+3aPjgId4x AA4Slz5zOBiqyZgrL9/VMDmqalsbt50QjxQ0HvBa3Zr9p8GXF+8QnHLPljZevsxB1u0j Wis78Wem15qtqBpmi6OpCm5cIP+2bL4WDmLjejYqXgC6dyd2DnEeJTIHYski2B3pLF+o c2FVGskTezwAOdwrTUEvYDN07UcK9yQrP86mDVksOxXnMxeMH+kaFsffNJJ0RXwAUERi +KYBhiUqeK0WRgXOhwzBsrB6D2W5iPWS3JG4HPu6jQ8nh4WnnkP49xnQ7pe+KuJms0zV pVYg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=1TZn5aNPCl1cGxDvp7RwBF7xgvk6iFKcNOp5AnS19Cc=; b=KznLwfPkMS4oQo7YeH+yVgB8DkzqGuT05BpVs1rozvcPvrOlOHwI4neEnSVWKlZ3Ih fxEVV9y3Bd6prMf86nfiLDlOkr5TdGb0ePwhKI7hCErWc2InpfKmRjzp+/rtgHpDSmpb yTa5gGlSP+JtyKgfasgGMrbQMZvAiLAWXek0KebY5G8rJaoln/leCiikh3AtCUYPG0lR khtxV6gYAoER5PZzSEKlW1MIOOTj4VpQctMIpn/HwNrvFWjwrhmpHbSgAuTG11Zo2NZU ay30cHJ0JizvWwcB1pRgiT7cs3xs2DB1mwUcgwqxbmI7ec0MExxLCqIUzQdI+4L3tANQ uTNA== X-Gm-Message-State: AOAM531vbJJecRPWoG20PySzqCoEY9qv8SCu935dg4ha2+5+1A5K/P2x WOxsrjBbNokE8CxFxLhO8Ctn7w== X-Google-Smtp-Source: ABdhPJyNMnNBRbs8M+x+0zL3Vem0LyBSWdfTgNUeHwTfTvWCHWRZDXbOPFHtviDebsIDU/aN/h8Xhw== X-Received: by 2002:adf:d236:: with SMTP id k22mr10976581wrh.144.1614622504408; Mon, 01 Mar 2021 10:15:04 -0800 (PST) Received: from [192.168.0.41] (lns-bzn-59-82-252-144-192.adsl.proxad.net. [82.252.144.192]) by smtp.googlemail.com with ESMTPSA id f7sm25716349wre.78.2021.03.01.10.15.03 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 01 Mar 2021 10:15:03 -0800 (PST) Subject: Re: [PATCH 1/2] powercap/drivers/dtpm: Fix root node initialization To: "Rafael J. Wysocki" Cc: Linux Kernel Mailing List , Linux PM References: <20210224183022.11846-1-daniel.lezcano@linaro.org> From: Daniel Lezcano Message-ID: <67319766-8a76-7b24-96ea-17e2e5ea09d1@linaro.org> Date: Mon, 1 Mar 2021 19:15:02 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 01/03/2021 17:45, Rafael J. Wysocki wrote: > On Wed, Feb 24, 2021 at 7:30 PM Daniel Lezcano > wrote: >> >> The root node is not set to NULL when the dtpm root node is >> removed. Consequently, it is not possible to create a new root as it >> is already set. >> >> Set the root node to NULL when the last node is removed. >> >> Signed-off-by: Daniel Lezcano >> --- >> drivers/powercap/dtpm.c | 3 +++ >> 1 file changed, 3 insertions(+) >> >> diff --git a/drivers/powercap/dtpm.c b/drivers/powercap/dtpm.c >> index 5a51cd34a7e8..c2185ec5f887 100644 >> --- a/drivers/powercap/dtpm.c >> +++ b/drivers/powercap/dtpm.c >> @@ -207,6 +207,9 @@ int dtpm_release_zone(struct powercap_zone *pcz) >> if (dtpm->ops) >> dtpm->ops->release(dtpm); >> >> + if (root == dtpm) >> + root = NULL; >> + >> kfree(dtpm); >> >> return 0; >> -- > > Applied along with the [2/2[ as 5.12-rc material, thanks! Thanks -- Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog