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[2a02:8389:41cf:e200:3989:b03c:7705:998b]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a93c27773c0sm50368166b.1.2024.09.26.16.21.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Sep 2024 16:21:54 -0700 (PDT) From: Javier Carrasco Date: Fri, 27 Sep 2024 01:21:08 +0200 Subject: [PATCH 17/18] leds: rgb: ktd202x: switch to device_for_each_child_node_scoped() MIME-Version: 1.0 Message-Id: <20240927-leds_device_for_each_child_node_scoped-v1-17-95c0614b38c8@gmail.com> References: <20240927-leds_device_for_each_child_node_scoped-v1-0-95c0614b38c8@gmail.com> In-Reply-To: <20240927-leds_device_for_each_child_node_scoped-v1-0-95c0614b38c8@gmail.com> To: Pavel Machek , Lee Jones , Matthias Brugger , AngeloGioacchino Del Regno , Gene Chen , Jacek Anaszewski , Bartosz Golaszewski , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Jonathan Cameron Cc: linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-sunxi@lists.linux.dev, Javier Carrasco X-Mailer: b4 0.14-dev X-Developer-Signature: v=1; a=ed25519-sha256; t=1727392874; l=1313; i=javier.carrasco.cruz@gmail.com; s=20240312; h=from:subject:message-id; bh=Upol74WYOlhW6c4peUbPQECrXBC2IELBkPGR+0SYZwE=; b=f5ds5pKXTIF+B1jMaYwlb8PPJAHi7VfKk6RXlM18dKn8C3IQVGT8JccELHUU4Z+ooOWcfqKQS 27cVaVRUn+uAh7+rCzd53VFlBKfzGLxtf5g5DJWnaFLJwjdJFD+8kOV X-Developer-Key: i=javier.carrasco.cruz@gmail.com; a=ed25519; pk=lzSIvIzMz0JhJrzLXI0HAdPwsNPSSmEn6RbS+PTS9aQ= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240926_162157_740935_97ADEC2A X-CRM114-Status: GOOD ( 14.59 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org Switch to device_for_each_child_node_scoped() to simplify the code by removing the need for calls 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/leds/rgb/leds-ktd202x.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/leds/rgb/leds-ktd202x.c b/drivers/leds/rgb/leds-ktd202x.c index d5c442163c46..04e62faa3a00 100644 --- a/drivers/leds/rgb/leds-ktd202x.c +++ b/drivers/leds/rgb/leds-ktd202x.c @@ -495,7 +495,6 @@ static int ktd202x_add_led(struct ktd202x *chip, struct fwnode_handle *fwnode, u static int ktd202x_probe_fw(struct ktd202x *chip) { - struct fwnode_handle *child; struct device *dev = chip->dev; int count; int i = 0; @@ -509,13 +508,12 @@ static int ktd202x_probe_fw(struct ktd202x *chip) /* Allow the device to execute the complete reset */ usleep_range(200, 300); - device_for_each_child_node(dev, child) { + device_for_each_child_node_scoped(dev, child) { int ret = ktd202x_add_led(chip, child, i); - if (ret) { - fwnode_handle_put(child); + if (ret) return ret; - } + i++; }