[linux-next:master 2532/2770] drivers/md/dm-pcache/backing_dev.c:134:26: sparse: sparse: incorrect type in assignment (different base types)

[linux-next:master 2532/2770] drivers/md/dm-pcache/backing_dev.c:134:26: sparse: sparse: incorrect type in assignment (different base types)

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   1357b2649c026b51353c84ddd32bc963e8999603
commit: 6fb8fbbaf147fe4153177320ee354c457605800a [2532/2770] dm-pcache: add persistent cache target in device-mapper
config: riscv-randconfig-r132-20250816 (https://download.01.org/0day-ci/archive/20250816/202508161838.BV3mincB-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 93d24b6b7b148c47a2fa228a4ef31524fa1d9f3f)
reproduce: (https://download.01.org/0day-ci/archive/20250816/202508161838.BV3mincB-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202508161838.BV3mincB-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   WARNING: invalid argument to '-march': '_zacas_zabha'
>> drivers/md/dm-pcache/backing_dev.c:134:26: sparse: sparse: incorrect type in assignment (different base types) @@     expected int ret @@     got restricted blk_status_t [usertype] bi_status @@
   drivers/md/dm-pcache/backing_dev.c:134:26: sparse:     expected int ret
   drivers/md/dm-pcache/backing_dev.c:134:26: sparse:     got restricted blk_status_t [usertype] bi_status

vim +134 drivers/md/dm-pcache/backing_dev.c

   127	
   128	static void backing_dev_bio_end(struct bio *bio)
   129	{
   130		struct pcache_backing_dev_req *backing_req = bio->bi_private;
   131		struct pcache_backing_dev *backing_dev = backing_req->backing_dev;
   132		unsigned long flags;
   133	
 > 134		backing_req->ret = bio->bi_status;
   135	
   136		spin_lock_irqsave(&backing_dev->complete_lock, flags);
   137		list_move_tail(&backing_req->node, &backing_dev->complete_list);
   138		queue_work(BACKING_DEV_TO_PCACHE(backing_dev)->task_wq, &backing_dev->req_complete_work);
   139		spin_unlock_irqrestore(&backing_dev->complete_lock, flags);
   140	}
   141	

-- 
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