From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 45FEE57ED98 for ; Wed, 9 Sep 2026 16:22:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788970939; cv=none; b=kAjWf8jPiG47TWSBliGyK40yK/JNHS+QP7xHfS1Y266vYKVwEC6ZEOUpOfEg0U4v0+sQMVNy5ViqU4+eLHqiSvONNUh0GE9Z1y4NnKBy+55tb/Rvmh0zNhqANhseA+WuM+dkprb2EDTWazjm1eYG8ODI1rYq8GedxsGEd6e5Qy8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788970939; c=relaxed/simple; bh=Q7NUp2MkJHfxY3tIGeAEVf4Yvjl19i+ocRuOo5HNDQ0=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=pgZGTKrby3T6ej4tYKD715JM2/9qSv3Hc8MaC0DS40Krx0XWOBDaxt3TpedDM7mf9zlV6Z/myLezoRuHaL3bcVY3hPtzn+3NXD1Hnenod5IPan/BAi42RqQmnnzVMHNtDnwHltfUj4cWniwzpH9WIgTg2sg8nsg6WEN8404JdFQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=VH28Nwv2; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=QTfZ29zS; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="VH28Nwv2"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="QTfZ29zS" Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 689CCjvs1400923 for ; Wed, 9 Sep 2026 16:22:17 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= 7ssfjYTj1l3r/nXGifnneYFAL20uCc6xve74iaokQPg=; b=VH28Nwv2d9EhqaEc FJeZXRJGY5N4bjkAzPBXR6ndi2BsaFONDZ3XyR3wMbxu9zdnY3bQyHjMJ8JWLLLu xviPq/oHs3fZQDC4TlfZbvz2T/hq8VIPzAw5WCgGIP/AosdVoU95zo6Ypr8js3u8 yx6w8e11o1u1/ALSvcVuDQ8jHOs/cq2s6t6KxIoOAbzpIFf9FSMrPxkiv/f5mJWf cxE7B2LyRsjUiyUleMpqqB0zv5QVpRCBv6BFP6tQ08PjCov0XyhyRtUwcNp28krx RjE430/3RDL8pV3aRuCtE02cBIfY9ZbuqF8n+Ilxmo35PaEJw51Oe/DcDxnmdoij Rf1S2A== Received: from mail-pf1-f198.google.com (mail-pf1-f198.google.com [209.85.210.198]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4gk78x15s0-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Wed, 09 Sep 2026 16:22:17 +0000 (GMT) Received: by mail-pf1-f198.google.com with SMTP id d2e1a72fcca58-868db1b2c64so1398874b3a.3 for ; Wed, 09 Sep 2026 09:22:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1788970937; x=1789575737; darn=vger.kernel.org; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to :content-type; bh=7ssfjYTj1l3r/nXGifnneYFAL20uCc6xve74iaokQPg=; b=QTfZ29zSkB+at1q5/UP1HOtBWKARx1GtiSwYH7r8S7hBCWMj71SdxLi3y+0s78KeZg nxp9Vop7ZoOoKGWW7Pmcrqv9lIrXQmQvzahxRRU9Z7z8qPeTV23F1yM0aoV8/lBc33MM Ca8ZsFH64qgW1wgb+Jj/FZkIbbeCStYJzgJDnDL9KrwwNb/+zFMHQfarAoTtcx+9k2lZ gJwZDl71Ac9LorsLf4SbBxncRbE8rfs9dM1gLR9jmeWVMoslYoOOGwfhu40UZfT0aIg7 WzKHYL/a7MaveNydHBGm+tEh38MQytJrroW9aBxFQhun5D5VvQI+OC4SkHiSutqCUb51 VK8g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788970937; x=1789575737; h=content-transfer-encoding:content-type:in-reply-to:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=7ssfjYTj1l3r/nXGifnneYFAL20uCc6xve74iaokQPg=; b=dFz8gWAOj0wZNluRlFg/inphedk3I0bpsq5DHvWQuqaTVRK7s1k6BDbaIS4kpaaTde 4L18wV4dQYHpEgPXRohb4sfmg0SqYQ+Q7QOLJixsAty4XrtSlEV8zcQSRR57sCU2Szj5 ogGPvGJChlpB3nDTBYahMgrqsoMlQasqGQjIonwuQAs/acDBxTOuOZZ5ySkQKWnwmcQt 9JxqFWClnNSmJLsZBEp/9d8e84LFULqSGmOnjI6H/h26ECEUuL1R/uSvITwrsWlR3spK 3dH3ri24lfilBLJBCDu0uiDi6w5fKVqXp0fgR1ozpb0skXpC5BgrrKUQEnzFn5bgri6f JWMw== X-Gm-Message-State: AFuF++n+32cv7s2GotgoNHACRfXPPnQ0nr1Q70Oo2ixeZseDXDYzzg6n XSHfRI2YG8k323zXeoKYnvI8RjEfOUAgGnnBDNquflPCi/kk/CGb4RkPTwvh+zh8VdqcqWfKmF1 M9+BlyB/ZxMnAleFUgkAlLhBfST5afsliuW7uG3DwPPKHxKyb+dN6xXCb2x0PeQ== X-Gm-Gg: AYBFou1eLEHnGHsZ5DgzH+lh74twPxxqq9k+ay6l57OXIdFG2ZdtBiWlJROzlZcj6q3 6s7vGNT/1s2rXce6V/hs+JcF8fzHYTLd4xUrOOPvAISPECyioNFVM/laubTVQUEFP8RNfsmn/2v fiYLjMSGzF+/Vw3hb9TjKerIJWmIlVo6yEij1thSnkfTg+h467gkB6Uir4RVG2VnfCYoTZDgbKS I9y7OzASJCz42KxwqdUmeJS+T64XUIsFq9L0W2YpQsN1GfU5C39g8Jrxn+UsYh6Aa33gshdXv1+ nIpaNFN8GIBMXs0SBq4ydK89MV1U3tU+Zb9VeyRrdr7UjhwxmgXqiY++6TU+6IJtCcNJCWT6Wpc ZJi/a/ZAcK2CPv3rXdmfxPgjp5W5DhnvnkltqiX2j5HXhMXKvz/6HPe3nWyxqRbaseeiYWukc X-Received: by 2002:a05:6a00:3bd7:b0:868:eabf:e07a with SMTP id d2e1a72fcca58-868eabfe7e5mr3488988b3a.10.1788970936852; Wed, 09 Sep 2026 09:22:16 -0700 (PDT) X-Received: by 2002:a05:6a00:3bd7:b0:868:eabf:e07a with SMTP id d2e1a72fcca58-868eabfe7e5mr3488954b3a.10.1788970936246; Wed, 09 Sep 2026 09:22:16 -0700 (PDT) Received: from [10.133.33.154] (tpe-colo-wan-fw-bordernet.qualcomm.com. [103.229.16.4]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-864782f0be1sm4593429b3a.41.2026.09.09.09.22.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 09 Sep 2026 09:22:15 -0700 (PDT) Message-ID: Date: Thu, 10 Sep 2026 00:22:11 +0800 Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] cpufreq: qoriq: Fix clk reference leak in get_bus_freq() To: blaze <1466528493@qq.com>, rafael@kernel.org, viresh.kumar@linaro.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, zhongqiu.han@oss.qualcomm.com References: Content-Language: en-US From: Zhongqiu Han In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: rjhUVV9B47g75XTzYu4Mo-2d9rLfUI5U X-Proofpoint-GUID: rjhUVV9B47g75XTzYu4Mo-2d9rLfUI5U X-Proofpoint-Spam-Info: AW1haW4tMjYwOTA5MDE4MyBTYWx0ZWRfX+PJs2W/XlPFp wwvFzGUd0qbafLSCJOPQp7AZY2iA0LJ21UwT/z8mHZu5+WZcY8B2v2mYz98Jr96/WOL8Jl6tiGb ofrFDLIyS9O2lVZlwG0mXXONnpM8mso= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTA5MDE4MyBTYWx0ZWRfX46ioR4+BlduO tDbTYu74ZX4PlMptxYMvSYHSafuBDQ4triuBUGwBRe8AK8tFv8HVYYJiN6MrtAKutV9O3reTnJ0 yiN7HisSDxJlCYjbS+e4ZfbSAJEouKPJzpfEs5Io3z21s7HA3/c3jXoaIZUruC/sUzUVBLhsOQZ 1VpnrUxum+Se0UR4bui6cFutOLO+2nAAy0Z7Q5TMYdGMNa4oFNSr4yjArTGoZecqGMfznUKPlaD qEbq3KEcVLZK2vAcPV90/R3uYVME2EkapTqtaEfkWgpNDRmqZ3WYXrYiBnTPArh4oXyLTK0M9Jv tgcP7e9PM4Rz8McfQg60wS/qe+Xt9+Ne0toP6kFiLMuCRnZFQNL8C+e65U8aRGpZUCdtJSTaDTt smhi8pWEfaoIS9BdjOThF3vbmymhJ1OVQUKGEDr5IE69wSGkv7sx/KUPzKQwmpWHbRU/XWwdw9u Dd3VrpUJZdBBpqgoqjA== X-Authority-Analysis: v=2.4 cv=SvWgLvO0 c=1 sm=1 tr=0 ts=6aa187b9 cx=c_pps a=m5Vt/hrsBiPMCU0y4gIsQw==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=dZbOZ2KzAAAA:8 a=e6XpzHukWT2NPN0GgxIA:9 a=QEXdDO2ut3YA:10 a=IoOABgeZipijB_acs4fv:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-08_03,2026-09-09_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 spamscore=0 phishscore=0 bulkscore=0 malwarescore=0 adultscore=0 priorityscore=1501 lowpriorityscore=0 suspectscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609090183 Hello, On 9/9/2026 12:41 PM, blaze wrote: > clk_get() acquires a reference to the clock which must be released with > clk_put() when no longer needed. In get_bus_freq(), the clock reference > obtained by clk_get() is used only to read the frequency via > clk_get_rate(), but clk_put() is never called, causing a clock reference > count leak on every invocation. > > Fix this by calling clk_put() before returning the frequency. > > Fixes: 1b6f255990ae ("cpufreq: qoriq: Enhance the support of clock from DTS") I couldn't find this commit using either the commit ID or the subject. git show 1b6f255990ae fatal: ambiguous argument '1b6f255990ae': unknown revision or path not ... > Signed-off-by: blaze <1466528493@qq.com> > --- > drivers/cpufreq/qoriq-cpufreq.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/cpufreq/qoriq-cpufreq.c b/drivers/cpufreq/qoriq-cpufreq.c > index 0000000..1111111 100644 May I know why the blob hash is 0000000..1111111? Is this patch just generated by AI tools? > --- a/drivers/cpufreq/qoriq-cpufreq.c > +++ b/drivers/cpufreq/qoriq-cpufreq.c > @@ -62,7 +62,9 @@ static u32 get_bus_freq(void) > __func__, PTR_ERR(pltclk)); > return PTR_ERR(pltclk); > } > > - return clk_get_rate(pltclk); > + sysfreq = clk_get_rate(pltclk); > + clk_put(pltclk); > + return sysfreq; > } > > static struct qoriq_cpu_data *qoriq_cpu_data; > -- > 2.43.0 > > -- Thx and BRs, Zhongqiu Han