linux-kernel - Re: [PATCH 1/2] drm: Add drm driver for OpenCores VGA/LCD display controller

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Date:	Fri, 10 Jun 2016 00:44:27 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Andrea Merello <andrea.merello@...il.com>
Cc:	kbuild-all@...org, dri-devel@...ts.freedesktop.org,
	airlied@...ux.ie, linux-kernel@...r.kernel.org,
	Andrea Merello <andrea.merello@...il.com>,
	Stefan Kristiansson <stefan.kristiansson@...nalahti.fi>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	Francesco Diotalevi <francesco.diotalevi@....it>,
	Claudio Lorini <claudio.lorini@....it>
Subject: Re: [PATCH 1/2] drm: Add drm driver for OpenCores VGA/LCD display
 controller

Hi,

[auto build test WARNING on drm/drm-next]
[also build test WARNING on v4.7-rc2 next-20160609]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Andrea-Merello/Add-DRM-driver-for-OpenCores-VGA-LCD-display/20160609-215802
base:   git://people.freedesktop.org/~airlied/linux.git drm-next
config: x86_64-allmodconfig (attached as .config)
compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All warnings (new ones prefixed by >>):

   include/linux/compiler.h:232:8: sparse: attribute 'no_sanitize_address': unknown attribute
   drivers/gpu/drm/ocdrm/ocdrm_crtc.c: In function 'ocdrm_crtc_create':
>> drivers/gpu/drm/ocdrm/ocdrm_crtc.c:331:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
     if (ret)
     ^~
   drivers/gpu/drm/ocdrm/ocdrm_crtc.c:333:3: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
      return ret;
      ^~~~~~

vim +/if +331 drivers/gpu/drm/ocdrm/ocdrm_crtc.c

   315	
   316		drm_plane_helper_add(&priv->plane, &ocdrm_plane_helper_funcs);
   317	
   318		ret = drm_universal_plane_init(priv->drm_dev, &priv->plane, 0,
   319					&ocdrm_plane_funcs,
   320					format, ARRAY_SIZE(format),
   321					DRM_PLANE_TYPE_PRIMARY, NULL);
   322		if (ret) {
   323			dev_err(priv->drm_dev->dev, "cannot initialize plane");
   324			return ret;
   325		}
   326	
   327		drm_crtc_helper_add(&priv->crtc, &ocdrm_crtc_helper_funcs);
   328		ret = drm_crtc_init_with_planes(priv->drm_dev, &priv->crtc,
   329						&priv->plane, NULL,
   330						&ocdrm_crtc_funcs, NULL);
 > 331		if (ret)
   332			dev_err(priv->drm_dev->dev, "cannot initialize crtc");
   333			return ret;
   334	
   335		return 0;
   336	}

---
0-DAY kernel test infrastructure                Open Source Technology Center
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Download attachment ".config.gz" of type "application/octet-stream" (54755 bytes)