[dm-devel] [dm:for-next 31/31] drivers/md/dm-zoned-target.c:954:20: error: initialization from incompatible pointer type

[kbuild test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git for-next
head:   a39e613506eca803cede2cf555d4d1dc485352e7
commit: a39e613506eca803cede2cf555d4d1dc485352e7 [31/31] dm: remove fmode_t argument from .prepare_ioctl hook
config: i386-randconfig-x015-201813 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        git checkout a39e613506eca803cede2cf555d4d1dc485352e7
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

>> drivers/md/dm-zoned-target.c:954:20: error: initialization from incompatible pointer type [-Werror=incompatible-pointer-types]
     .prepare_ioctl  = dmz_prepare_ioctl,
                       ^~~~~~~~~~~~~~~~~
   drivers/md/dm-zoned-target.c:954:20: note: (near initialization for 'dmz_type.prepare_ioctl')
   cc1: some warnings being treated as errors

vim +954 drivers/md/dm-zoned-target.c

3b1a94c8 Damien Le Moal 2017-06-07  943  
3b1a94c8 Damien Le Moal 2017-06-07  944  static struct target_type dmz_type = {
3b1a94c8 Damien Le Moal 2017-06-07  945  	.name		 = "zoned",
3b1a94c8 Damien Le Moal 2017-06-07  946  	.version	 = {1, 0, 0},
3b1a94c8 Damien Le Moal 2017-06-07  947  	.features	 = DM_TARGET_SINGLETON | DM_TARGET_ZONED_HM,
3b1a94c8 Damien Le Moal 2017-06-07  948  	.module		 = THIS_MODULE,
3b1a94c8 Damien Le Moal 2017-06-07  949  	.ctr		 = dmz_ctr,
3b1a94c8 Damien Le Moal 2017-06-07  950  	.dtr		 = dmz_dtr,
3b1a94c8 Damien Le Moal 2017-06-07  951  	.map		 = dmz_map,
3b1a94c8 Damien Le Moal 2017-06-07  952  	.end_io		 = dmz_end_io,
3b1a94c8 Damien Le Moal 2017-06-07  953  	.io_hints	 = dmz_io_hints,
3b1a94c8 Damien Le Moal 2017-06-07 @954  	.prepare_ioctl	 = dmz_prepare_ioctl,
3b1a94c8 Damien Le Moal 2017-06-07  955  	.postsuspend	 = dmz_suspend,
3b1a94c8 Damien Le Moal 2017-06-07  956  	.resume		 = dmz_resume,
3b1a94c8 Damien Le Moal 2017-06-07  957  	.iterate_devices = dmz_iterate_devices,
3b1a94c8 Damien Le Moal 2017-06-07  958  };
3b1a94c8 Damien Le Moal 2017-06-07  959  

:::::: The code at line 954 was first introduced by commit
:::::: 3b1a94c88b798d4f3bd1a5b61f5c8fb9d987c242 dm zoned: drive-managed zoned block device target

:::::: TO: Damien Le Moal <damien.lemoal at wdc.com>
:::::: CC: Mike Snitzer <snitzer at redhat.com>

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0-DAY kernel test infrastructure                Open Source Technology Center
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