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 936AB1B425C; Tue, 28 Oct 2025 08:42:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761640976; cv=none; b=D+TjfFSS1lGOZ53gGincOmZkM8Kr/mDM4hLczlZn0cm/S+raXB01aU4Ktdm/tx1eSw3jC6hSZ8/ez2qrHTjV6SxZnUjmNWZaorO9ED1Te2UYu34h55QgQJYlhfLTH2COrW26w+JZBdckmJfjnCKU/pqT86SrgBoJIY5skNC9qTk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761640976; c=relaxed/simple; bh=UV4oir0NthIcdJCUepqN6ek1/TklMFd0MsJcOql+rHU=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Czj5+gn/OE91oq1HJboKvXkmyYKTIA5dY9wNDFAdybr4j3fv8bRq9fqynoO4RP7c87PSKXfGw5aQiMY3273UuuEtLDde+73T58fWCeJnshzqXwno27dJd4r6EDqWc5ZzPwbdV8030vZ5WjpKrrqB1yi+Rve5MF5ydNfBB7LawI0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=IcUPkXbN; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="IcUPkXbN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 396E7C4CEE7; Tue, 28 Oct 2025 08:42:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761640976; bh=UV4oir0NthIcdJCUepqN6ek1/TklMFd0MsJcOql+rHU=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=IcUPkXbNIoEY/0P1q1DK3Wfu6i74xqtfd9iwW7AJcP8oqemLSoe3vEbvVO4sVvAf0 0GWkyotvcLpGF5ma8FTx0Qp1RswdJxBj0RY5G2z64ePmNut7eZTYtde4zdDp1TdIuq pDQNojO6+W82rsww219uNMaA2Gtg7jW39U5ib6NOrc8Pie1ct8TUrrGzMLblhvPtY4 XKyWyBCLQ0JAdIYG7F7ia1PtbQ8p/+abeuDRx+hIMnt7rajzcziBWtTxYsbsGOs5sH c9ZCwh3RZcnZ4c19tzAbNzfixdGtgc5RkCLQDmp5jnw7IOGbT3sZaic9m4lh4VDBGj BaN3xGpLwvJVw== Message-ID: <0103d31e-f7f8-45df-9add-76adcca3ec40@kernel.org> Date: Tue, 28 Oct 2025 09:42:52 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] soc: samsung: exynos-pmu: fix reference count leak in exynos_get_pmu_regmap_by_phandle To: Miaoqian Lin , Alim Akhtar , Peter Griffin , Sam Protsenko , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: stable@vger.kernel.org References: <20251028031527.43003-1-linmq006@gmail.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 28/10/2025 04:15, Miaoqian Lin wrote: > The driver_find_device_by_of_node() function calls driver_find_device > and returns a device with its reference count incremented. > Add the missing put_device() call to > release this reference after the device is used. > > Found via static analysis. What static analysis? You must name the tool. Anyway, same comments as before. https://lore.kernel.org/all/?q=dfn%3Adrivers%2Fsoc%2Fsamsung%2Fexynos-pmu.c Best regards, Krzysztof