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 1D1CD388C20; Mon, 5 May 2025 23:10:11 +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=1746486612; cv=none; b=G9Bd9EXqGin0wzJTc6rWzpGzDfEt5roMcNc1uk3jDt3xz5jTpxaFCakPOshWeJ7G628/NtPc2VCCmJwd0pONiVFFB9Zay4s/BcOt49X1guHmSLA8v6sxM9HrK7n/Pml4BtGCCuIQiYJ/NYC4X6rZa2X/CoBOl+GnAMdqE4bJN5k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746486612; c=relaxed/simple; bh=phkeeO30HHKusTKd6SbxssgcErvrNyortPVsfg/RYQ0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Q+Bti7vxhtsT2Q36tcO3iY3mHE+KmbVg91st8AQXwEwf8ZTVqQjTyS9Ijk1eING1I9WrMlv9XwQ3sef2/Y7BGOdiaUqaeqtjyNbAS4RDkl5ZMPQ7yTu6RCcoWjfJDNr8/7FIg1IF3c7j5R8VtP9PbmrkIg0uURiN3K4xOO2Cf1k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=EgnsHDDk; 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="EgnsHDDk" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F3A80C4CEE4; Mon, 5 May 2025 23:10:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746486611; bh=phkeeO30HHKusTKd6SbxssgcErvrNyortPVsfg/RYQ0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EgnsHDDk/ufj20MonrBfsjLABbLLQXe0Jjatz2yfuzywd9L4WgGKKAw2/XGmHlTsl SFVKK9kEOXmZ9ycFyiD797xAZxYP2+ZoQnxcPEWyAWzkD9EokGBboW+SwecOu8V4/y pA46n79wA569KSogBTHFiXrah+MiUujZiVdTWW3F6/NOT5yZnYTsokMfp+kYEBH+gD jQvpb+S7BqGqCnHeLqnLiRbTC0w3JUuoav6Do44loivCdmjKEvx6pLsky8wa25B9W5 ksKpbP+cZjz/ETX750H8vEPbCrNDV06CoOVwGOuqtl9lPMpWVQRgXsUeDaTc3JoP0k 8AuV5MxIK0BkA== 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 6.1 117/212] leds: pwm-multicolor: Add check for fwnode_property_read_u32 Date: Mon, 5 May 2025 19:04:49 -0400 Message-Id: <20250505230624.2692522-117-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250505230624.2692522-1-sashal@kernel.org> References: <20250505230624.2692522-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.1.136 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 da9d2218ae184..97aa06e2ff603 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