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[54.252.206.51]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c5edf32d82fsm3507131a12.19.2026.01.16.22.22.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 16 Jan 2026 22:22:42 -0800 (PST) From: Weigang He To: tony@atomide.com, aaro.koskinen@iki.fi, andreas@kemnade.info, khilman@baylibre.com, rogerq@kernel.org Cc: linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org, Weigang He , stable@vger.kernel.org Subject: [PATCH] bus: ti-sysc: fix reference count leak in sysc_init_static_data() Date: Sat, 17 Jan 2026 06:22:35 +0000 Message-Id: <20260117062235.435174-1-geoffreyhe2@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" of_find_node_by_path() returns a device_node with refcount incremented. The reference to the "/ocp" node is acquired for a WARN_ONCE check but is never released with of_node_put(), causing a reference count leak. Add of_node_put(np) after the WARN_ONCE check to properly release the "/ocp" node reference. Fixes: 5f7259a578e9 ("bus: ti-sysc: Check for old incomplete dtb") Cc: stable@vger.kernel.org Signed-off-by: Weigang He Reviewed-by: Andreas Kemnade --- drivers/bus/ti-sysc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index 610354ce7f8f0..fd631a9889c1e 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -3014,6 +3014,7 @@ static int sysc_init_static_data(struct sysc *ddata) np =3D of_find_node_by_path("/ocp"); WARN_ONCE(np && of_device_is_compatible(np, "simple-bus"), "ti-sysc: Incomplete old dtb, please update\n"); + of_node_put(np); break; default: break; --=20 2.34.1