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[2a02:8389:41cf:e200:2243:8f1c:2a7e:ca73]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a93c2775c22sm283707466b.20.2024.09.28.12.47.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 28 Sep 2024 12:47:41 -0700 (PDT) From: Javier Carrasco Date: Sat, 28 Sep 2024 21:47:36 +0200 Subject: [PATCH 2/3] gpio: sim: switch to device_for_each_child_node_scoped() Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240928-gpio_device_for_each_child_node_scoped-v1-2-c20eff315f4f@gmail.com> References: <20240928-gpio_device_for_each_child_node_scoped-v1-0-c20eff315f4f@gmail.com> In-Reply-To: <20240928-gpio_device_for_each_child_node_scoped-v1-0-c20eff315f4f@gmail.com> To: Hoan Tran , Serge Semin , Linus Walleij , Bartosz Golaszewski , Mika Westerberg , Andy Shevchenko Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, Javier Carrasco X-Mailer: b4 0.14-dev X-Developer-Signature: v=1; a=ed25519-sha256; t=1727552857; l=1102; i=javier.carrasco.cruz@gmail.com; s=20240312; h=from:subject:message-id; bh=qpWlHZ/NTb2o2BGag6w0MPuw2Qc51lis5IwTedMxSUc=; b=exW502MojY/GuHnYjnxzF0t5w2M1q4MukLV5X5wjFNs3gRlr63O1Py6ybGW/BnO8t5t1kPHbj pRliwo5CcS6BeQeBw6hh8NZmKPneKGcnxKRozQXVMyjBY+hELNjNjTR X-Developer-Key: i=javier.carrasco.cruz@gmail.com; a=ed25519; pk=lzSIvIzMz0JhJrzLXI0HAdPwsNPSSmEn6RbS+PTS9aQ= Switch to device_for_each_child_node_scoped() to simplify the code by removing the need for a call to fwnode_handle_put() in the error path. This also prevents possible memory leaks if new error paths are added without the required call to fwnode_handle_put(). Signed-off-by: Javier Carrasco --- drivers/gpio/gpio-sim.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/gpio/gpio-sim.c b/drivers/gpio/gpio-sim.c index dcca1d7f173e..f387dad81f29 100644 --- a/drivers/gpio/gpio-sim.c +++ b/drivers/gpio/gpio-sim.c @@ -520,15 +520,12 @@ static int gpio_sim_add_bank(struct fwnode_handle *swnode, struct device *dev) static int gpio_sim_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct fwnode_handle *swnode; int ret; - device_for_each_child_node(dev, swnode) { + device_for_each_child_node_scoped(dev, swnode) { ret = gpio_sim_add_bank(swnode, dev); - if (ret) { - fwnode_handle_put(swnode); + if (ret) return ret; - } } return 0;