From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 263A31863 for ; Wed, 28 Dec 2022 14:50:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A00C5C433EF; Wed, 28 Dec 2022 14:50:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1672239043; bh=dcolAIIE9qrALefgEd8yK+woU8B6YS6RxK50a9ee1Ho=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=n83B9HgGwrhuqrm7/FehsI0MXbbForSiGqMbTWmqNiqoLLKW/X6J5RsICd4Ry7JyK /71Tc+smYYb6ofQTdUI67e23jXD8qrZaKvns/YyqlRFYGj9PljDV/RsBtnp+2B/mcj Z41rnJCWweyRYoUzql20TWfenfmulxDLKyuyUA3k= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Xiongfeng Wang , "Rafael J. Wysocki" , Sasha Levin Subject: [PATCH 5.15 106/731] cpufreq: amd_freq_sensitivity: Add missing pci_dev_put() Date: Wed, 28 Dec 2022 15:33:33 +0100 Message-Id: <20221228144259.622220455@linuxfoundation.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20221228144256.536395940@linuxfoundation.org> References: <20221228144256.536395940@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Xiongfeng Wang [ Upstream commit 91fda1f88c0968f1491ab150bb01690525af150a ] pci_get_device() will increase the reference count for the returned pci_dev. We need to use pci_dev_put() to decrease the reference count after using pci_get_device(). Let's add it. Fixes: 59a3b3a8db16 ("cpufreq: AMD: Ignore the check for ProcFeedback in ST/CZ") Signed-off-by: Xiongfeng Wang Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- drivers/cpufreq/amd_freq_sensitivity.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/cpufreq/amd_freq_sensitivity.c b/drivers/cpufreq/amd_freq_sensitivity.c index d0b10baf039a..151771129c7b 100644 --- a/drivers/cpufreq/amd_freq_sensitivity.c +++ b/drivers/cpufreq/amd_freq_sensitivity.c @@ -124,6 +124,8 @@ static int __init amd_freq_sensitivity_init(void) if (!pcidev) { if (!boot_cpu_has(X86_FEATURE_PROC_FEEDBACK)) return -ENODEV; + } else { + pci_dev_put(pcidev); } if (rdmsrl_safe(MSR_AMD64_FREQ_SENSITIVITY_ACTUAL, &val)) -- 2.35.1