From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EF893379413; Mon, 5 May 2025 23:01:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746486086; cv=none; b=fOfWPu5GmdJJXL/DFr7WKd6CA7xNtuWM895cJvFmHA57cU6byO5hKwz5U9ulgdY3SNaoKbqKFyRMf3HFVUSwT5I8a+9PNZdbdD56R0wJwOdzrByGz9n5IuZsqwRAoyMiwDVxIAV3fv5YPNMmLEHuncFKliMunu7kLvc8jielXyo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746486086; c=relaxed/simple; bh=jY2bLFrM4OmbAvQoCMBjY6y3zOJ5tAN7yOeLduNkcfk=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Uk0hf7kRdafD4BuTxcZbCAyKBA07fv5JVUlxDQgJP6CJaJKsadSExQtqpaEOLrrLGprsA3uc2lRtZtWY+jEVKvnGikhVMEcQB6opKw2KumJu3JRYCHa8D5dVQIBhf8y6lvdQ5/6YCPdMsEc4nHLZCQ4AHddfU+NdPXAe6Vx0XUg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XPhY3NYc; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="XPhY3NYc" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CFB63C4CEEF; Mon, 5 May 2025 23:01:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746486084; bh=jY2bLFrM4OmbAvQoCMBjY6y3zOJ5tAN7yOeLduNkcfk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XPhY3NYcR8xIsUbBJec5NnmJSCv9bsQ9102qmyB/86lOU/w8l527YFOImpbKbriIM igp7rznqv+/iXA1Qx2Xjj6RpDwo5kelIJUnMUIwSUz8w9mLqN9L0CUpmaLqhYTN3kn lCy3fNo0ZTeOYtloeJLBN5CKyIF9S4mMDkTlcAqvoLCEk7OMcSkAI69iygZlmNC+1y PSoFQL0B7zaWYxiHjY+zkGIloCLlxr0CBgQk6Zdg1JQ4lmEjluXscqpgfqYmSMdJO7 qlrvJyzLXRzNYftAGEMUEgwNzsMeLn+NThz3hkA+3qhVLSB/UkaM3HxDoXy7ExW/hQ xzM0x38z5XM9Q== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Yuanjun Gong , Lee Jones , Sasha Levin , pavel@kernel.org, jakob+lkml@paranoidlabs.org, u.kleine-koenig@baylibre.com, linux-leds@vger.kernel.org Subject: [PATCH AUTOSEL 6.6 147/294] leds: pwm-multicolor: Add check for fwnode_property_read_u32 Date: Mon, 5 May 2025 18:54:07 -0400 Message-Id: <20250505225634.2688578-147-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250505225634.2688578-1-sashal@kernel.org> References: <20250505225634.2688578-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.6.89 Content-Transfer-Encoding: 8bit From: Yuanjun Gong [ Upstream commit 6d91124e7edc109f114b1afe6d00d85d0d0ac174 ] Add a check to the return value of fwnode_property_read_u32() in case it fails. Signed-off-by: Yuanjun Gong Link: https://lore.kernel.org/r/20250223121459.2889484-1-ruc_gongyuanjun@163.com Signed-off-by: Lee Jones Signed-off-by: Sasha Levin --- drivers/leds/rgb/leds-pwm-multicolor.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/leds/rgb/leds-pwm-multicolor.c b/drivers/leds/rgb/leds-pwm-multicolor.c index e1a81e0109e8a..c0aa34b1d0e2d 100644 --- a/drivers/leds/rgb/leds-pwm-multicolor.c +++ b/drivers/leds/rgb/leds-pwm-multicolor.c @@ -135,8 +135,11 @@ static int led_pwm_mc_probe(struct platform_device *pdev) /* init the multicolor's LED class device */ cdev = &priv->mc_cdev.led_cdev; - fwnode_property_read_u32(mcnode, "max-brightness", + ret = fwnode_property_read_u32(mcnode, "max-brightness", &cdev->max_brightness); + if (ret) + goto release_mcnode; + cdev->flags = LED_CORE_SUSPENDRESUME; cdev->brightness_set_blocking = led_pwm_mc_set; -- 2.39.5