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Wed, 23 Sep 2026 18:04:22 -0700 (PDT) Received: from i4-gl-tmk5904.ad.psu.edu ([130.203.156.186]) by smtp.gmail.com with ESMTPSA id af79cd13be357-93c2485883asm349018185a.20.2026.09.23.18.04.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Sep 2026 18:04:21 -0700 (PDT) From: Yuho Choi To: Marek Vasut , Manivannan Sadhasivam , Yoshihiro Shimoda Cc: Geert Uytterhoeven , Rob Herring , Bjorn Helgaas , Lorenzo Pieralisi , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , linux-pci@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Yuho Choi Subject: [PATCH v2] PCI: rcar: Release temporary device tree node reference Date: Wed, 23 Sep 2026 21:04:11 -0400 Message-ID: <20260924010418.726980-1-oss.patchbox@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit of_find_matching_node() returns a referenced node even when it is used only as a boolean test. Drop the reference right after the match check. Fixes: a115b1bd3af0 ("PCI: rcar: Add L1 link state fix into data abort hook") Signed-off-by: Yuho Choi --- Changes in v2: - Use an explicit of_node_put() instead of __free(device_node) (Marek Vasut) - Switch to my oss.patchbox address v1: https://lore.kernel.org/all/20260801233841.469826-1-dbgh9129@gmail.com/ drivers/pci/controller/pcie-rcar-host.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/pci/controller/pcie-rcar-host.c b/drivers/pci/controller/pcie-rcar-host.c index cd9171eebc289..1f5e33c802b5b 100644 --- a/drivers/pci/controller/pcie-rcar-host.c +++ b/drivers/pci/controller/pcie-rcar-host.c @@ -1122,7 +1122,11 @@ static const struct of_device_id rcar_pcie_abort_handler_of_match[] __initconst static int __init rcar_pcie_init(void) { - if (of_find_matching_node(NULL, rcar_pcie_abort_handler_of_match)) { + struct device_node *np; + + np = of_find_matching_node(NULL, rcar_pcie_abort_handler_of_match); + if (np) { + of_node_put(np); #ifdef CONFIG_ARM_LPAE hook_fault_code(17, rcar_pcie_aarch32_abort_handler, SIGBUS, 0, "asynchronous external abort"); base-commit: f0100363d8c374bd8e9ea7c9ba02744f0b802ca4 -- 2.43.0