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From: kernel test robot <lkp@intel.com>
To: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: kbuild-all@lists.01.org, linux-media@vger.kernel.org,
	Mauro Carvalho Chehab <mchehab@kernel.org>,
	Hans Verkuil <hverkuil@xs4all.nl>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 14/38] media: vivid: move the devnode creation logic to a separate function
Date: Thu, 3 Sep 2020 05:57:53 +0800	[thread overview]
Message-ID: <202009030506.9bCvYuif%lkp@intel.com> (raw)
In-Reply-To: <b3660cd8e25735280461fe21d438b87e33ec4395.1599062230.git.mchehab+huawei@kernel.org>

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Hi Mauro,

I love your patch! Yet something to improve:

[auto build test ERROR on linuxtv-media/master]
[cannot apply to v5.9-rc3 next-20200902]
[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]

url:    https://github.com/0day-ci/linux/commits/Mauro-Carvalho-Chehab/media-sparse-smatch-warn-fixes/20200903-002025
base:   git://linuxtv.org/media_tree.git master
config: s390-randconfig-s031-20200902 (attached as .config)
compiler: s390-linux-gcc (GCC) 9.3.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.2-191-g10164920-dirty
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=s390 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   drivers/media/test-drivers/vivid/vivid-core.c: In function 'vivid_create_devnodes':
   drivers/media/test-drivers/vivid/vivid-core.c:1318:11: warning: unused variable 'i' [-Wunused-variable]
    1318 |  int ret, i;
         |           ^
   drivers/media/test-drivers/vivid/vivid-core.c: In function 'vivid_create_instance':
>> drivers/media/test-drivers/vivid/vivid-core.c:1887:47: error: 'cec_tx_bus_cnt' undeclared (first use in this function)
    1887 |  ret = vivid_create_devnodes(pdev, dev, inst, cec_tx_bus_cnt,
         |                                               ^~~~~~~~~~~~~~
   drivers/media/test-drivers/vivid/vivid-core.c:1887:47: note: each undeclared identifier is reported only once for each function it appears in

# https://github.com/0day-ci/linux/commit/cd6461a9795132db179f4416123658efbf8a92b7
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Mauro-Carvalho-Chehab/media-sparse-smatch-warn-fixes/20200903-002025
git checkout cd6461a9795132db179f4416123658efbf8a92b7
vim +/cec_tx_bus_cnt +1887 drivers/media/test-drivers/vivid/vivid-core.c

  1874	
  1875		v4l2_ctrl_handler_setup(&dev->ctrl_hdl_vid_cap);
  1876		v4l2_ctrl_handler_setup(&dev->ctrl_hdl_vid_out);
  1877		v4l2_ctrl_handler_setup(&dev->ctrl_hdl_vbi_cap);
  1878		v4l2_ctrl_handler_setup(&dev->ctrl_hdl_vbi_out);
  1879		v4l2_ctrl_handler_setup(&dev->ctrl_hdl_radio_rx);
  1880		v4l2_ctrl_handler_setup(&dev->ctrl_hdl_radio_tx);
  1881		v4l2_ctrl_handler_setup(&dev->ctrl_hdl_sdr_cap);
  1882		v4l2_ctrl_handler_setup(&dev->ctrl_hdl_meta_cap);
  1883		v4l2_ctrl_handler_setup(&dev->ctrl_hdl_meta_out);
  1884		v4l2_ctrl_handler_setup(&dev->ctrl_hdl_touch_cap);
  1885	
  1886		/* finally start creating the device nodes */
> 1887		ret = vivid_create_devnodes(pdev, dev, inst, cec_tx_bus_cnt,
  1888					    tvnorms_cap, tvnorms_out,
  1889					    in_type_counter, out_type_counter);
  1890		if (ret)
  1891			goto unreg_dev;
  1892	
  1893		/* Now that everything is fine, let's add it to device list */
  1894		vivid_devs[inst] = dev;
  1895	
  1896		return 0;
  1897	
  1898	unreg_dev:
  1899		vb2_video_unregister_device(&dev->touch_cap_dev);
  1900		vb2_video_unregister_device(&dev->meta_out_dev);
  1901		vb2_video_unregister_device(&dev->meta_cap_dev);
  1902		video_unregister_device(&dev->radio_tx_dev);
  1903		video_unregister_device(&dev->radio_rx_dev);
  1904		vb2_video_unregister_device(&dev->sdr_cap_dev);
  1905		vb2_video_unregister_device(&dev->vbi_out_dev);
  1906		vb2_video_unregister_device(&dev->vbi_cap_dev);
  1907		vb2_video_unregister_device(&dev->vid_out_dev);
  1908		vb2_video_unregister_device(&dev->vid_cap_dev);
  1909		cec_unregister_adapter(dev->cec_rx_adap);
  1910		for (i = 0; i < MAX_OUTPUTS; i++)
  1911			cec_unregister_adapter(dev->cec_tx_adap[i]);
  1912		if (dev->cec_workqueue) {
  1913			vivid_cec_bus_free_work(dev);
  1914			destroy_workqueue(dev->cec_workqueue);
  1915		}
  1916	free_dev:
  1917		v4l2_device_put(&dev->v4l2_dev);
  1918		return ret;
  1919	}
  1920	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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  reply	other threads:[~2020-09-02 22:19 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-02 16:10 [PATCH 00/38] media sparse/smatch warn fixes Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 01/38] media: tda10086: cleanup symbol_rate setting logic Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 02/38] media: v4l2-ioctl: avoid memory leaks on some time32 compat functions Mauro Carvalho Chehab
2020-09-02 16:26   ` Laurent Pinchart
2020-09-02 18:45   ` Arnd Bergmann
2020-09-03  6:01     ` Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 03/38] media: qt1010: fix usage of unititialized value Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 04/38] media: av7110_v4l: avoid a typecast Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 05/38] media: wl128x: get rid of a potential spectre issue Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 06/38] media: venus: place extern venus_fw_debug on a header file Mauro Carvalho Chehab
2020-09-10 10:45   ` Stanimir Varbanov
2020-09-02 16:10 ` [PATCH 07/38] media: tda10021: avoid casts when using symbol_rate Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 08/38] media: serial_ir: use the right type for a dma address Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 09/38] media: vivid: move the detection part out of vivid_create_instance Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 10/38] media: vivid: place the logic which disables ioctl on a separate function Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 11/38] media: vivid: move set_capabilities logic to " Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 12/38] media: vivid: place dt timings init code on " Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 13/38] media: vivid: move the create queues to " Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 14/38] media: vivid: move the devnode creation logic " Mauro Carvalho Chehab
2020-09-02 21:57   ` kernel test robot [this message]
2020-09-03  0:31   ` kernel test robot
2020-09-02 16:10 ` [PATCH 15/38] media: vivid: fix error path Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 16/38] media: videobuf-dma-sg: number of pages should be unsigned long Mauro Carvalho Chehab
2020-09-03  7:49   ` John Hubbard
2020-09-02 16:10 ` [PATCH 17/38] media: cx25821-alsa: " Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 18/38] media: cx23885-alsa: " Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 19/38] media: cx88-alsa: " Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 20/38] media: saa7134-alsa.c: " Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 21/38] media: dvb-ttusb-budget: don't use stack for USB transfers Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 22/38] media: dvb-ttusb-budget: cleanup printk logic Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 23/38] media: saa7134: avoid a shift overflow Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 24/38] media: atomisp: fix casts at atomisp_compat_ioctl32.c Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 25/38] media: atomisp: get rid of some unused code Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 26/38] media: atomisp: cleanup ifdefs from ia_css_debug.c Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 27/38] media: atomisp: get rid of version-dependent globals Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 28/38] media: atomisp: get rid of isys_dma.h and isys_dma_local.h Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 29/38] media: atomisp: get rid of ibuf_ctrl abstraction Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 30/38] media: atomisp: don't check for ISP version for includes Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 31/38] media: atomisp: unify INPUT error return type Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 32/38] media: atomisp: de-duplicate names at *_input_system_global.h Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 33/38] media: atomisp: reorder functions at pixelgen_private.h Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 34/38] media: atomisp: remove compile-time tests from input_system_global.h Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 35/38] media: atomisp: fix some bad indents Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 36/38] media: atomisp: csi_rx.c: add a missing includes Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 37/38] media: atomisp: atomisp_gmin_platform: check before use Mauro Carvalho Chehab
2020-09-02 16:10 ` [PATCH 38/38] media: atomisp: cleanup isys_irq headers Mauro Carvalho Chehab
2020-09-07 10:17 ` [PATCH 00/38] media sparse/smatch warn fixes Hans Verkuil

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