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

From: kbuild test robot
Date: Thu Jun 09 2016 - 12:37:25 EST


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 }

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