linux-kernel - drivers/comedi/drivers/comedi_isadma.c:25:17: error: implicit declaration of function 'claim_dma

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>] [day] [month] [year] [list]

Message-ID: <202111100740.PNAYsZYv-lkp@intel.com>
Date:   Wed, 10 Nov 2021 07:38:46 +0800
From:   kernel test robot <lkp@...el.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Greg Ungerer <gerg@...ux-m68k.org>
Subject: drivers/comedi/drivers/comedi_isadma.c:25:17: error: implicit
 declaration of function 'claim_dma_lock'

Hi Arnd,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   cb690f5238d71f543f4ce874aa59237cf53a877c
commit: db87db65c1059f3be04506d122f8ec9b2fa3b05e m68knommu: only set CONFIG_ISA_DMA_API for ColdFire sub-arch
date:   3 months ago
config: m68k-buildonly-randconfig-r004-20211101 (attached as .config)
compiler: m68k-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=db87db65c1059f3be04506d122f8ec9b2fa3b05e
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout db87db65c1059f3be04506d122f8ec9b2fa3b05e
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=m68k 

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

All errors (new ones prefixed by >>):

   drivers/comedi/drivers/comedi_isadma.c: In function 'comedi_isadma_program':
>> drivers/comedi/drivers/comedi_isadma.c:25:17: error: implicit declaration of function 'claim_dma_lock' [-Werror=implicit-function-declaration]
      25 |         flags = claim_dma_lock();
         |                 ^~~~~~~~~~~~~~
>> drivers/comedi/drivers/comedi_isadma.c:31:9: error: implicit declaration of function 'release_dma_lock'; did you mean 'release_task'? [-Werror=implicit-function-declaration]
      31 |         release_dma_lock(flags);
         |         ^~~~~~~~~~~~~~~~
         |         release_task
   cc1: some warnings being treated as errors


vim +/claim_dma_lock +25 drivers/comedi/drivers/comedi_isadma.c

20a1ea7d6ba184a drivers/staging/comedi/drivers/comedi_isadma.c H Hartley Sweeten 2015-01-14  16  
20a1ea7d6ba184a drivers/staging/comedi/drivers/comedi_isadma.c H Hartley Sweeten 2015-01-14  17  /**
20a1ea7d6ba184a drivers/staging/comedi/drivers/comedi_isadma.c H Hartley Sweeten 2015-01-14  18   * comedi_isadma_program - program and enable an ISA DMA transfer
20a1ea7d6ba184a drivers/staging/comedi/drivers/comedi_isadma.c H Hartley Sweeten 2015-01-14  19   * @desc:	the ISA DMA cookie to program and enable
20a1ea7d6ba184a drivers/staging/comedi/drivers/comedi_isadma.c H Hartley Sweeten 2015-01-14  20   */
20a1ea7d6ba184a drivers/staging/comedi/drivers/comedi_isadma.c H Hartley Sweeten 2015-01-14  21  void comedi_isadma_program(struct comedi_isadma_desc *desc)
20a1ea7d6ba184a drivers/staging/comedi/drivers/comedi_isadma.c H Hartley Sweeten 2015-01-14  22  {
20a1ea7d6ba184a drivers/staging/comedi/drivers/comedi_isadma.c H Hartley Sweeten 2015-01-14  23  	unsigned long flags;
20a1ea7d6ba184a drivers/staging/comedi/drivers/comedi_isadma.c H Hartley Sweeten 2015-01-14  24  
20a1ea7d6ba184a drivers/staging/comedi/drivers/comedi_isadma.c H Hartley Sweeten 2015-01-14 @25  	flags = claim_dma_lock();
20a1ea7d6ba184a drivers/staging/comedi/drivers/comedi_isadma.c H Hartley Sweeten 2015-01-14  26  	clear_dma_ff(desc->chan);
20a1ea7d6ba184a drivers/staging/comedi/drivers/comedi_isadma.c H Hartley Sweeten 2015-01-14  27  	set_dma_mode(desc->chan, desc->mode);
20a1ea7d6ba184a drivers/staging/comedi/drivers/comedi_isadma.c H Hartley Sweeten 2015-01-14  28  	set_dma_addr(desc->chan, desc->hw_addr);
20a1ea7d6ba184a drivers/staging/comedi/drivers/comedi_isadma.c H Hartley Sweeten 2015-01-14  29  	set_dma_count(desc->chan, desc->size);
20a1ea7d6ba184a drivers/staging/comedi/drivers/comedi_isadma.c H Hartley Sweeten 2015-01-14  30  	enable_dma(desc->chan);
20a1ea7d6ba184a drivers/staging/comedi/drivers/comedi_isadma.c H Hartley Sweeten 2015-01-14 @31  	release_dma_lock(flags);
20a1ea7d6ba184a drivers/staging/comedi/drivers/comedi_isadma.c H Hartley Sweeten 2015-01-14  32  }
20a1ea7d6ba184a drivers/staging/comedi/drivers/comedi_isadma.c H Hartley Sweeten 2015-01-14  33  EXPORT_SYMBOL_GPL(comedi_isadma_program);
20a1ea7d6ba184a drivers/staging/comedi/drivers/comedi_isadma.c H Hartley Sweeten 2015-01-14  34  

:::::: The code at line 25 was first introduced by commit
:::::: 20a1ea7d6ba184a1f6e25e85786738003387cada staging: comedi: comedi_isadma: introduce helper module for ISA DMA

:::::: TO: H Hartley Sweeten <hsweeten@...ionengravers.com>
:::::: CC: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

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

Download attachment ".config.gz" of type "application/gzip" (29372 bytes)