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Sat, 01 Aug 2026 16:20:00 -0700 (PDT) From: Yuho Choi To: linux@armlinux.org.uk Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Yuho Choi Subject: [PATCH v1] ARM: setup: Drop reference to device tree root node Date: Sat, 1 Aug 2026 19:19:53 -0400 Message-ID: <20260801231953.464006-1-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 init_machine_late() obtains the root device tree node with of_find_node_by_path() but does not release the reference after reading the serial-number property. Drop the reference once the property lookup is complete. Fixes: 3f599875e520 ("ARM: 8355/1: arch: Show the serial number from devicetree in cpuinfo") Signed-off-by: Yuho Choi --- arch/arm/kernel/setup.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 0bfd66c7ada0..2a179aeb637b 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -962,6 +962,7 @@ static int __init init_machine_late(void) &system_serial); if (ret) system_serial = NULL; + of_node_put(root); } if (!system_serial) -- 2.43.0