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[60.241.74.71]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b9cae16a9esm64942945ad.50.2026.05.03.00.27.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 03 May 2026 00:27:21 -0700 (PDT) From: James Ye To: jikos@kernel.org, bentiss@kernel.org, lee@kernel.org, pavel@kernel.org Cc: linux-input@vger.kernel.org, linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org, denis.benato@linux.dev, James Ye Subject: [PATCH 6/6] leds: led-class: mark classdev as unregistering early Date: Sun, 3 May 2026 17:26:43 +1000 Message-ID: <20260503072643.2774762-7-jye836@gmail.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260503072643.2774762-1-jye836@gmail.com> References: <20260503072643.2774762-1-jye836@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The classdev was marked as unregistering after disabling the trigger. Disabling the trigger attempts to turn the LED off, and the device may already be inaccessible. This generates a "Setting an LED's brightness failed" log, which is avoided by changing this order. Signed-off-by: James Ye --- drivers/leds/led-class.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c index 9e14ae588f78..a00986ffd9f6 100644 --- a/drivers/leds/led-class.c +++ b/drivers/leds/led-class.c @@ -601,6 +601,8 @@ void led_classdev_unregister(struct led_classdev *led_cdev) if (IS_ERR_OR_NULL(led_cdev->dev)) return; + led_cdev->flags |= LED_UNREGISTERING; + #ifdef CONFIG_LEDS_TRIGGERS down_write(&led_cdev->trigger_lock); if (led_cdev->trigger) @@ -608,8 +610,6 @@ void led_classdev_unregister(struct led_classdev *led_cdev) up_write(&led_cdev->trigger_lock); #endif - led_cdev->flags |= LED_UNREGISTERING; - /* Stop blinking */ led_stop_software_blink(led_cdev); -- 2.54.0