From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) (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 5B5F83C4553; Thu, 14 May 2026 06:27:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.13 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778740068; cv=none; b=mBvNZi4A7eDceV45VAIO78SHOpLEjQ5g8mcMZWsP18EbXIb6h4BHtSCXfZ7T2AMIqqJ88OYbj806aAjLnnwqye/cgy0WMbv+Qt/w84DiD+SoT71bTxarJT1A9uZyhSgu22zipL5BUVOS78HBjo5hM2BzRNqYmDzr8iXhtMjwTDU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778740068; c=relaxed/simple; bh=oqlyHTB6HlrOinriYYwoJGq0BqXGbkgg0rpHL45r3IU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=H+ikkX3xakTEZcPDPhJ2Dz6h4q7f+ivnQ/tHTihkmIHLlT3HSW2njqIZ1+CmgrGGxXPJPb1KwM+xhmgc0xOkgiBa8zhAgwiQI/JsLcJOgAv2qvd+GV4jCfeUKkP88wyIRxrh/gVFRCtRnGgJgXqm5K5VcSFWmPo2osCYeWHA5+U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=I/9c3vEH; arc=none smtp.client-ip=198.175.65.13 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="I/9c3vEH" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1778740067; x=1810276067; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=oqlyHTB6HlrOinriYYwoJGq0BqXGbkgg0rpHL45r3IU=; b=I/9c3vEHdaEOAu9+1tYlCyK99XKutD32kSO89B18hOSGgrHzOIy8/7iT f4HNFs/8CdOaNM3mY1BZAwx1WUcQlyOPsyE6hfGE12hKCJJelufiy9vMA XwqPKVknTeE9VDM47NHLORW0Hgi0Jdb4jSFLi06CdeSGEZkM/UAbSbtfc NNlIDZGo2jWAp5y6cPJKGiX7KBSG0wyDIP62z9kJhbrQrQsGGxhhNb7Vb myha9jfyTXPsaRvPZ/RcK1xZfbzxzEEJDa1GG00b0ZlSMfb6rc7L+NkD6 p80/88AU0SfwJqtsGObnnqZIe0P95Vm3HR6b5foVKati/juLSDirR2dRc w==; X-CSE-ConnectionGUID: tLmOm8zYRISnyjq3Q7H0+w== X-CSE-MsgGUID: +8qQlZJcSYOhwXQ+p0AAVA== X-IronPort-AV: E=McAfee;i="6800,10657,11785"; a="90779083" X-IronPort-AV: E=Sophos;i="6.23,234,1770624000"; d="scan'208";a="90779083" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 May 2026 23:27:47 -0700 X-CSE-ConnectionGUID: pCSDxIQOTKeiCrPYNobXEg== X-CSE-MsgGUID: 3I10vI6fRjajBtdAQ6DtfA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,234,1770624000"; d="scan'208";a="238541423" Received: from lkp-server01.sh.intel.com (HELO dca79079c3eb) ([10.239.97.150]) by orviesa007.jf.intel.com with ESMTP; 13 May 2026 23:27:44 -0700 Received: from kbuild by dca79079c3eb with local (Exim 4.98.2) (envelope-from ) id 1wNPXp-000000005xH-2glt; Thu, 14 May 2026 06:27:41 +0000 Date: Thu, 14 May 2026 14:27:29 +0800 From: kernel test robot To: Wentao Liang , linux@armlinux.org.uk, airlied@gmail.com, simona@ffwll.ch Cc: oe-kbuild-all@lists.linux.dev, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Wentao Liang , stable@vger.kernel.org Subject: Re: [PATCH] drm/armada: fix device_node reference leak in armada_lcd_bind() Message-ID: <202605141402.WTQDmspg-lkp@intel.com> References: <20260509091821.963513-1-vulab@iscas.ac.cn> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260509091821.963513-1-vulab@iscas.ac.cn> Hi Wentao, kernel test robot noticed the following build errors: [auto build test ERROR on daeinki-drm-exynos/exynos-drm-next] [also build test ERROR on drm/drm-next drm-i915/for-linux-next drm-i915/for-linux-next-fixes drm-misc/drm-misc-next drm-tip/drm-tip linus/master rmk-arm/drm-armada-devel v7.1-rc3 next-20260508] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Wentao-Liang/drm-armada-fix-device_node-reference-leak-in-armada_lcd_bind/20260512-194755 base: https://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos.git exynos-drm-next patch link: https://lore.kernel.org/r/20260509091821.963513-1-vulab%40iscas.ac.cn patch subject: [PATCH] drm/armada: fix device_node reference leak in armada_lcd_bind() config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20260514/202605141402.WTQDmspg-lkp@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 15.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260514/202605141402.WTQDmspg-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202605141402.WTQDmspg-lkp@intel.com/ All errors (new ones prefixed by >>): drivers/gpu/drm/armada/armada_crtc.c: In function 'armada_lcd_bind': >> drivers/gpu/drm/armada/armada_crtc.c:1039:9: error: 'ret' undeclared (first use in this function); did you mean 'res'? 1039 | ret = armada_drm_crtc_create(drm, dev, res, irq, variant, port); | ^~~ | res drivers/gpu/drm/armada/armada_crtc.c:1039:9: note: each undeclared identifier is reported only once for each function it appears in vim +1039 drivers/gpu/drm/armada/armada_crtc.c 1007 1008 static int 1009 armada_lcd_bind(struct device *dev, struct device *master, void *data) 1010 { 1011 struct platform_device *pdev = to_platform_device(dev); 1012 struct drm_device *drm = data; 1013 struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 1014 int irq = platform_get_irq(pdev, 0); 1015 const struct armada_variant *variant; 1016 struct device_node *port = NULL; 1017 struct device_node *np, *parent = dev->of_node; 1018 1019 if (irq < 0) 1020 return irq; 1021 1022 1023 variant = device_get_match_data(dev); 1024 if (!variant) 1025 return -ENXIO; 1026 1027 if (parent) { 1028 np = of_get_child_by_name(parent, "ports"); 1029 if (np) 1030 parent = np; 1031 port = of_get_child_by_name(parent, "port"); 1032 of_node_put(np); 1033 if (!port) { 1034 dev_err(dev, "no port node found in %pOF\n", parent); 1035 return -ENXIO; 1036 } 1037 } 1038 > 1039 ret = armada_drm_crtc_create(drm, dev, res, irq, variant, port); 1040 if (ret) 1041 of_node_put(port); 1042 return ret; 1043 } 1044 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki