From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 E0AAE4219FC; Tue, 9 Jun 2026 13:45:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781012701; cv=none; b=IlOzNxjrE80DJodIAo/angRD3TBqWh9MTkVFgYcI55/mczi1/OiBVzdmUJSIIHW8pYhDmMvo6M4AvWPyD5c81K/Q5y/57bj1h9tBYUmjn5O7M+JHpowmv9rsCBtYBfvUFhzgBtf3f+jofzQv3JyQ7Pik4mdgxEW77seoNSA2rZQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781012701; c=relaxed/simple; bh=UdvmSpOkjc3huTiSgkA0YlbeT2PtARiGZA20xwERdYQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=NTwjKUHdSV+Gq+k18GhDFpIpKHTLtItzf5e6lRoQSdOdcic1zXMvq9oql8n/AwCSmFgR74iXxFjHXCeYkDvn4PP+zoLn1JiqOhoYMEG8PUfoygIjgoNYOcBGkrAnND/z6pgmTKKm8/1C3V4CaV7tphUUn/eiIzAeYXOQ9SCtTts= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ftvrA1eU; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ftvrA1eU" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BBC931F00893; Tue, 9 Jun 2026 13:44:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781012700; bh=49x05fZPk5rfBteKLxKmNKOhFjCbtiRl6hHfMbfWRwI=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=ftvrA1eUAcBjDR8wQUmb/AG8iUsNOGVtEVLTGOkOHEkNg9wqruqv2mngVCaA3jVkz O4M3yn484h6F+jFUKV4yPr+XC9WYKOrfnYYYqMjZ9h5lVuZpu7EqOkH8UihJG/pfIW /KEF1kKOcb6CdIQbQ+7vlddxGbXNIio7dZQG3aRazBuJmzwrPgl5c6YkMhlopAvtcy QT1GIP3Mg8dyN2xVbZKHmCsDbEi32wlNyiZYvZn0OO9PSv6pJ3LiBJW67PRQTGhuWL RYcY6oikvQT0n0szpF5rkuYflx1o+84so+L4crmL0H+lUR8a1lPZlTTJ5XWa9UMQJ9 PjuNEYmeVPo8g== Message-ID: Date: Tue, 9 Jun 2026 15:44:55 +0200 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 v2] soc: samsung: exynos-pmu: fix of_node refcount leak in exynos_get_pmu_regmap() To: Weigang He Cc: Alim Akhtar , Marek Szyprowski , Tomasz Figa , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260609133320.1748882-1-geoffreyhe2@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 09/06/2026 15:33, Weigang He wrote: > drivers/soc/samsung/exynos-pmu.c | 12 +++++++----- > 1 file changed, 7 insertions(+), 5 deletions(-) > > diff --git a/drivers/soc/samsung/exynos-pmu.c b/drivers/soc/samsung/exynos-pmu.c > index d58376c38179b..265a095316079 100644 > --- a/drivers/soc/samsung/exynos-pmu.c > +++ b/drivers/soc/samsung/exynos-pmu.c > @@ -167,11 +167,13 @@ static const struct mfd_cell exynos_pmu_devs[] = { > */ > struct regmap *exynos_get_pmu_regmap(void) > { > - struct device_node *np = of_find_matching_node(NULL, > - exynos_pmu_of_device_ids); > - if (np) > - return exynos_get_pmu_regmap_by_phandle(np, NULL); > - return ERR_PTR(-ENODEV); > + struct device_node *np __free(device_node) = > + of_find_matching_node(NULL, exynos_pmu_of_device_ids); > + > + if (!np) > + return ERR_PTR(-ENODEV); > + > + return exynos_get_pmu_regmap_by_phandle(np, NULL); I don't understand why do you need to change the rest of the function. Best regards, Krzysztof