linux-kernel - sound/virtio/virtio_ctl_msg.c:70: warning: expecting prototype for virtsnd_ctl_msg_request(). Prototype was for virtsnd_ctl_msg

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Date:   Fri, 18 Jun 2021 13:35:28 +0800
From:   kernel test robot <lkp@...el.com>
To:     Anton Yakovlev <anton.yakovlev@...nsynergy.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Takashi Iwai <tiwai@...e.de>
Subject: sound/virtio/virtio_ctl_msg.c:70: warning: expecting prototype for
 virtsnd_ctl_msg_request(). Prototype was for virtsnd_ctl_msg_response()
 instead

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   fd0aa1a4567d0f09e1bfe367a950b004f99ac290
commit: 9d45e514da88ff74fc24ffb34e7d6eb92576440b ALSA: virtio: handling control messages
date:   3 months ago
config: nios2-randconfig-r005-20210618 (attached as .config)
compiler: nios2-linux-gcc (GCC) 9.3.0
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=9d45e514da88ff74fc24ffb34e7d6eb92576440b
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 9d45e514da88ff74fc24ffb34e7d6eb92576440b
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nios2 

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

All error/warnings (new ones prefixed by >>):

>> sound/virtio/virtio_ctl_msg.c:70: warning: expecting prototype for virtsnd_ctl_msg_request(). Prototype was for virtsnd_ctl_msg_response() instead
--
   nios2-linux-ld: drivers/net/ethernet/micrel/ks8851_common.o: in function `ks8851_probe_common':
>> ks8851_common.c:(.text+0x1734): undefined reference to `__this_module'
>> nios2-linux-ld: ks8851_common.c:(.text+0x1738): undefined reference to `__this_module'


vim +70 sound/virtio/virtio_ctl_msg.c

    62	
    63	/**
    64	 * virtsnd_ctl_msg_request() - Get a pointer to the response header.
    65	 * @msg: Control message.
    66	 *
    67	 * Context: Any context.
    68	 */
    69	void *virtsnd_ctl_msg_response(struct virtio_snd_msg *msg)
  > 70	{
    71		return sg_virt(&msg->sg_response);
    72	}
    73	

---
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" (34934 bytes)