[dm-devel] [dm:for-next 1/4] drivers/md/dm.c:1757:36: error: passing argument 2 of 'dm_mq_init_request_queue' 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:   b18ef3eb063790f62f2630015a116cb495cb143f
commit: 3fa1ee95f14c676ef9d8f53516f31f1bdcb194f1 [1/4] dm: move request-based code out to dm-rq.[hc]
config: i386-defconfig (attached as .config)
compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
reproduce:
        git checkout 3fa1ee95f14c676ef9d8f53516f31f1bdcb194f1
        # save the attached .config to linux build tree
        make ARCH=i386 

Note: the dm/for-next HEAD b18ef3eb063790f62f2630015a116cb495cb143f builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

   drivers/md/dm.c: In function 'dm_setup_md_queue':
>> drivers/md/dm.c:1757:36: error: passing argument 2 of 'dm_mq_init_request_queue' from incompatible pointer type [-Werror=incompatible-pointer-types]
      r = dm_mq_init_request_queue(md, t);
                                       ^
   In file included from drivers/md/dm.c:9:0:
   drivers/md/dm-rq.h:52:5: note: expected 'struct dm_target *' but argument is of type 'struct dm_table *'
    int dm_mq_init_request_queue(struct mapped_device *md, struct dm_target *immutable_tgt);
        ^~~~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/dm_mq_init_request_queue +1757 drivers/md/dm.c

  1751			if (r) {
  1752				DMERR("Cannot initialize queue for request-based mapped device");
  1753				return r;
  1754			}
  1755			break;
  1756		case DM_TYPE_MQ_REQUEST_BASED:
> 1757			r = dm_mq_init_request_queue(md, t);
  1758			if (r) {
  1759				DMERR("Cannot initialize queue for request-based dm-mq mapped device");
  1760				return r;

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