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Message-ID: <202309241647.QEGaCh1E-lkp@intel.com>
Date: Sun, 24 Sep 2023 17:09:41 +0800
From: kernel test robot <lkp@...el.com>
To: liuhaoran <liuhaoran14@....com>, airlied@...il.com
Cc: oe-kbuild-all@...ts.linux.dev, liuhaoran <liuhaoran14@....com>,
samuel@...lland.org, linux-kernel@...r.kernel.org,
dri-devel@...ts.freedesktop.org, jernej.skrabec@...il.com,
linux-sunxi@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] drm/sun4i: Add error handling in sun4i_layer_init_one()
Hi liuhaoran,
kernel test robot noticed the following build warnings:
[auto build test WARNING on sunxi/sunxi/for-next]
[also build test WARNING on linus/master v6.6-rc2 next-20230921]
[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/liuhaoran/drm-sun4i-Add-error-handling-in-sun4i_layer_init_one/20230924-154504
base: https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux.git sunxi/for-next
patch link: https://lore.kernel.org/r/20230924074216.17390-1-liuhaoran14%40163.com
patch subject: [PATCH] drm/sun4i: Add error handling in sun4i_layer_init_one()
config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20230924/202309241647.QEGaCh1E-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230924/202309241647.QEGaCh1E-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 <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309241647.QEGaCh1E-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/gpu/drm/sun4i/sun4i_layer.c: In function 'sun4i_layer_init_one':
>> drivers/gpu/drm/sun4i/sun4i_layer.c:230:35: warning: missing terminating " character
230 | dev_err(drm->dev, "Failed to install alpha property,
| ^
drivers/gpu/drm/sun4i/sun4i_layer.c:231:34: warning: missing terminating " character
231 | rc = %d\n", ret);
| ^
drivers/gpu/drm/sun4i/sun4i_layer.c:239:35: warning: missing terminating " character
239 | dev_err(drm->dev, "Failed to install zpos property,
| ^
drivers/gpu/drm/sun4i/sun4i_layer.c:240:34: warning: missing terminating " character
240 | rc = %d\n", ret);
| ^
drivers/gpu/drm/sun4i/sun4i_layer.c:275:2: error: unterminated argument list invoking macro "dev_err"
275 | }
| ^
drivers/gpu/drm/sun4i/sun4i_layer.c:230:17: error: 'dev_err' undeclared (first use in this function); did you mean '_dev_err'?
230 | dev_err(drm->dev, "Failed to install alpha property,
| ^~~~~~~
| _dev_err
drivers/gpu/drm/sun4i/sun4i_layer.c:230:17: note: each undeclared identifier is reported only once for each function it appears in
drivers/gpu/drm/sun4i/sun4i_layer.c:230:24: error: expected ';' at end of input
230 | dev_err(drm->dev, "Failed to install alpha property,
| ^
| ;
......
drivers/gpu/drm/sun4i/sun4i_layer.c:230:17: error: expected declaration or statement at end of input
230 | dev_err(drm->dev, "Failed to install alpha property,
| ^~~~~~~
drivers/gpu/drm/sun4i/sun4i_layer.c:230:17: error: expected declaration or statement at end of input
drivers/gpu/drm/sun4i/sun4i_layer.c: At top level:
>> drivers/gpu/drm/sun4i/sun4i_layer.c:190:28: warning: 'sun4i_layer_init_one' defined but not used [-Wunused-function]
190 | static struct sun4i_layer *sun4i_layer_init_one(struct drm_device *drm,
| ^~~~~~~~~~~~~~~~~~~~
vim +230 drivers/gpu/drm/sun4i/sun4i_layer.c
189
> 190 static struct sun4i_layer *sun4i_layer_init_one(struct drm_device *drm,
191 struct sun4i_backend *backend,
192 enum drm_plane_type type,
193 unsigned int id)
194 {
195 const uint64_t *modifiers = sun4i_layer_modifiers;
196 const uint32_t *formats = sun4i_layer_formats;
197 unsigned int formats_len = ARRAY_SIZE(sun4i_layer_formats);
198 struct sun4i_layer *layer;
199 int ret;
200
201 layer = devm_kzalloc(drm->dev, sizeof(*layer), GFP_KERNEL);
202 if (!layer)
203 return ERR_PTR(-ENOMEM);
204
205 layer->id = id;
206 layer->backend = backend;
207
208 if (IS_ERR_OR_NULL(backend->frontend)) {
209 formats = sun4i_backend_layer_formats;
210 formats_len = ARRAY_SIZE(sun4i_backend_layer_formats);
211 modifiers = NULL;
212 }
213
214 /* possible crtcs are set later */
215 ret = drm_universal_plane_init(drm, &layer->plane, 0,
216 &sun4i_backend_layer_funcs,
217 formats, formats_len,
218 modifiers, type, NULL);
219 if (ret) {
220 dev_err(drm->dev, "Couldn't initialize layer\n");
221 return ERR_PTR(ret);
222 }
223
224 drm_plane_helper_add(&layer->plane,
225 &sun4i_backend_layer_helper_funcs);
226
227 ret = drm_plane_create_alpha_property(&layer->plane);
228
229 if (ret) {
> 230 dev_err(drm->dev, "Failed to install alpha property,
231 rc = %d\n", ret);
232 return ERR_PTR(ret);
233 }
234
235 ret = drm_plane_create_zpos_property(&layer->plane, layer->id, 0,
236 SUN4I_BACKEND_NUM_LAYERS - 1);
237
238 if (ret) {
239 dev_err(drm->dev, "Failed to install zpos property,
240 rc = %d\n", ret);
241 return ERR_PTR(ret);
242 }
243
244 return layer;
245 }
246
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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