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Sat, 01 Aug 2026 16:38:45 -0700 (PDT) Received: from i4-gl-tmk5904.ad.psu.edu ([130.203.156.186]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-908434a26basm42614176d6.12.2026.08.01.16.38.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 01 Aug 2026 16:38:44 -0700 (PDT) From: Yuho Choi To: marek.vasut+renesas@mailbox.org, yoshihiro.shimoda.uh@renesas.com, lpieralisi@kernel.org, kwilczynski@kernel.org, mani@kernel.org, bhelgaas@google.com, geert+renesas@glider.be, magnus.damm@gmail.com Cc: robh@kernel.org, linux-pci@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Yuho Choi Subject: [PATCH v1] PCI: rcar: Release temporary device tree node reference Date: Sat, 1 Aug 2026 19:38:41 -0400 Message-ID: <20260801233841.469826-1-dbgh9129@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@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. Keep the result in a scoped cleanup variable so the reference is released after the match check. Fixes: a115b1bd3af0 ("PCI: rcar: Add L1 link state fix into data abort hook") Signed-off-by: Yuho Choi --- drivers/pci/controller/pcie-rcar-host.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/pci/controller/pcie-rcar-host.c b/drivers/pci/controller/pcie-rcar-host.c index cd9171eebc28..7ed1bc0732ce 100644 --- a/drivers/pci/controller/pcie-rcar-host.c +++ b/drivers/pci/controller/pcie-rcar-host.c @@ -1122,7 +1122,10 @@ 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 __free(device_node) = + of_find_matching_node(NULL, rcar_pcie_abort_handler_of_match); + + if (np) { #ifdef CONFIG_ARM_LPAE hook_fault_code(17, rcar_pcie_aarch32_abort_handler, SIGBUS, 0, "asynchronous external abort"); -- 2.43.0