linux-kernel - Re: [PATCH v3 3/6] staging: media: wave5: Add the v4l2 layer

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <202111261354.DVf9NPz7-lkp@intel.com>
Date:   Fri, 26 Nov 2021 13:10:45 +0800
From:   kernel test robot <lkp@...el.com>
To:     Dafna Hirschfeld <dafna.hirschfeld@...labora.com>,
        linux-media@...r.kernel.org
Cc:     kbuild-all@...ts.01.org,
        Dafna Hirschfeld <dafna.hirschfeld@...labora.com>,
        Robert Beckett <bob.beckett@...labora.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        laurent.pinchart@...asonboard.com, hverkuil@...all.nl,
        kernel@...labora.com
Subject: Re: [PATCH v3 3/6] staging: media: wave5: Add the v4l2 layer

Hi Dafna,

I love your patch! Perhaps something to improve:

[auto build test WARNING on staging/staging-testing]

url:    https://github.com/0day-ci/linux/commits/Dafna-Hirschfeld/staging-media-wave5-add-wave5-codec-driver/20211110-201127
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 8a893759d0075ea9556abcf86a4826d9865ba4bf
config: nios2-randconfig-s031-20211115 (https://download.01.org/0day-ci/archive/20211126/202111261354.DVf9NPz7-lkp@intel.com/config)
compiler: nios2-linux-gcc (GCC) 11.2.0
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: v0.6.4-dirty
        # https://github.com/0day-ci/linux/commit/2fcd7c429c9a940f0e22894189556dfda264f127
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Dafna-Hirschfeld/staging-media-wave5-add-wave5-codec-driver/20211110-201127
        git checkout 2fcd7c429c9a940f0e22894189556dfda264f127
        # save the config file to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=nios2 SHELL=/bin/bash drivers/nvme/target/ drivers/staging/media/wave5/

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


sparse warnings: (new ones prefixed by >>)
   drivers/staging/media/wave5/wave5-hw.c: note: in included file (through drivers/staging/media/wave5/vpu.h):
>> drivers/staging/media/wave5/vpuapi.h:842:29: sparse: sparse: dubious one-bit signed bitfield
--
   drivers/staging/media/wave5/vpu.c: note: in included file (through drivers/staging/media/wave5/vpu.h):
>> drivers/staging/media/wave5/vpuapi.h:842:29: sparse: sparse: dubious one-bit signed bitfield
--
   drivers/staging/media/wave5/vpuapi.c: note: in included file:
>> drivers/staging/media/wave5/vpuapi.h:842:29: sparse: sparse: dubious one-bit signed bitfield
--
   drivers/staging/media/wave5/vdi.c: note: in included file (through drivers/staging/media/wave5/vpu.h):
>> drivers/staging/media/wave5/vpuapi.h:842:29: sparse: sparse: dubious one-bit signed bitfield
--
   drivers/staging/media/wave5/vpu_enc.c: note: in included file (through drivers/staging/media/wave5/vpu.h):
>> drivers/staging/media/wave5/vpuapi.h:842:29: sparse: sparse: dubious one-bit signed bitfield
   drivers/staging/media/wave5/vpu_enc.c: note: in included file:
>> drivers/staging/media/wave5/vpu.h:62:48: sparse: sparse: marked inline, but without a definition
>> drivers/staging/media/wave5/vpu.h:62:48: sparse: sparse: marked inline, but without a definition
--
   drivers/staging/media/wave5/vpu_dec.c: note: in included file (through drivers/staging/media/wave5/vpu.h):
>> drivers/staging/media/wave5/vpuapi.h:842:29: sparse: sparse: dubious one-bit signed bitfield
   drivers/staging/media/wave5/vpu_dec.c: note: in included file:
>> drivers/staging/media/wave5/vpu.h:62:48: sparse: sparse: marked inline, but without a definition
>> drivers/staging/media/wave5/vpu.h:62:48: sparse: sparse: marked inline, but without a definition

vim +62 drivers/staging/media/wave5/vpu.h

    57	
    58	int  wave5_vpu_dec_register_device(struct vpu_device *dev);
    59	void wave5_vpu_dec_unregister_device(struct vpu_device *dev);
    60	int  wave5_vpu_enc_register_device(struct vpu_device *dev);
    61	void wave5_vpu_enc_unregister_device(struct vpu_device *dev);
  > 62	inline bool wave5_vpu_both_queues_are_streaming(struct vpu_instance *inst);

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