Message ID | 20220523152037.16078-1-linmq006@gmail.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Mon, 23 May 2022 08:20:46 -0700 (PDT) Received: from localhost.localdomain ([202.120.234.246]) by smtp.googlemail.com with ESMTPSA id a2-20020a1709027e4200b001620db30cd6sm4714465pln.201.2022.05.23.08.20.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 23 May 2022 08:20:46 -0700 (PDT) From: Miaoqian Lin <linmq006@gmail.com> To: Russell King <linux@armlinux.org.uk>, Thierry Reding <thierry.reding@gmail.com>, Jonathan Hunter <jonathanh@nvidia.com>, Miaoqian Lin <linmq006@gmail.com>, Joseph Lo <josephl@nvidia.com>, Stephen Warren <swarren@nvidia.com>, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] ARM: tegra: Fix refcount leak in tegra114_gic_cpu_pm_registration Date: Mon, 23 May 2022 19:20:36 +0400 Message-Id: <20220523152037.16078-1-linmq006@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220523_082049_038582_64B74E81 X-CRM114-Status: GOOD ( 13.82 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org |
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ARM: tegra: Fix refcount leak in tegra114_gic_cpu_pm_registration
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diff --git a/arch/arm/mach-tegra/irq.c b/arch/arm/mach-tegra/irq.c index 4e1ee70b2a3f..d51bdd46219e 100644 --- a/arch/arm/mach-tegra/irq.c +++ b/arch/arm/mach-tegra/irq.c @@ -73,7 +73,7 @@ static void __init tegra114_gic_cpu_pm_registration(void) return; tegra_gic_cpu_base = of_iomap(dn, 1); - + of_node_put(dn); cpu_pm_register_notifier(&tegra_gic_notifier_block); } #else
of_find_matching_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak. Fixes: 7e8b15dbc392 ("ARM: tegra114: Reprogram GIC CPU interface to bypass IRQ on CPU PM entry") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> --- arch/arm/mach-tegra/irq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)