tree:   https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git 20210819-add-disk-error-handling-next
head:   4a644c3aee4465306a79d393956c84ce8925fa6b
commit: 21b0a62497fab52bffe4e6fc20be46e7f8d4bbb1 [49/90] um/drivers/ubd_kern: add error handling support for add_disk()
config: um-x86_64_defconfig (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git/commit/?id=21b0a62497fab52bffe4e6fc20be46e7f8d4bbb1
        git remote add mcgrof-next https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux-next.git
        git fetch --no-tags mcgrof-next 20210819-add-disk-error-handling-next
        git checkout 21b0a62497fab52bffe4e6fc20be46e7f8d4bbb1
        # save the attached .config to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=um SUBARCH=x86_64 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   arch/um/drivers/ubd_kern.c: In function 'ubd_add':
>> arch/um/drivers/ubd_kern.c:930:24: error: expected ';' before 'out_cleanup_tags'
     930 |  blk_cleanup_disk(disk)
         |                        ^
         |                        ;
     931 | out_cleanup_tags:
         | ~~~~~~~~~~~~~~~~        
>> arch/um/drivers/ubd_kern.c:915:3: error: label 'out_cleanup_tags' used but not defined
     915 |   goto out_cleanup_tags;
         |   ^~~~


vim +930 arch/um/drivers/ubd_kern.c

   883	
   884	static int ubd_add(int n, char **error_out)
   885	{
   886		struct ubd *ubd_dev = &ubd_devs[n];
   887		struct gendisk *disk;
   888		int err = 0;
   889	
   890		if(ubd_dev->file == NULL)
   891			goto out;
   892	
   893		err = ubd_file_size(ubd_dev, &ubd_dev->size);
   894		if(err < 0){
   895			*error_out = "Couldn't determine size of device's file";
   896			goto out;
   897		}
   898	
   899		ubd_dev->size = ROUND_BLOCK(ubd_dev->size);
   900	
   901		ubd_dev->tag_set.ops = &ubd_mq_ops;
   902		ubd_dev->tag_set.queue_depth = 64;
   903		ubd_dev->tag_set.numa_node = NUMA_NO_NODE;
   904		ubd_dev->tag_set.flags = BLK_MQ_F_SHOULD_MERGE;
   905		ubd_dev->tag_set.driver_data = ubd_dev;
   906		ubd_dev->tag_set.nr_hw_queues = 1;
   907	
   908		err = blk_mq_alloc_tag_set(&ubd_dev->tag_set);
   909		if (err)
   910			goto out;
   911	
   912		disk = blk_mq_alloc_disk(&ubd_dev->tag_set, ubd_dev);
   913		if (IS_ERR(disk)) {
   914			err = PTR_ERR(disk);
 > 915			goto out_cleanup_tags;
   916		}
   917		ubd_dev->queue = disk->queue;
   918	
   919		blk_queue_write_cache(ubd_dev->queue, true, false);
   920		blk_queue_max_segments(ubd_dev->queue, MAX_SG);
   921		blk_queue_segment_boundary(ubd_dev->queue, PAGE_SIZE - 1);
   922		err = ubd_disk_register(UBD_MAJOR, ubd_dev->size, n, disk);
   923		if (err)
   924			goto out_cleanup_disk;
   925	
   926		ubd_gendisk[n] = disk;
   927		return 0;
   928	
   929	out_cleanup_disk:
 > 930		blk_cleanup_disk(disk)
   931	out_cleanup_tags:
   932		blk_mq_free_tag_set(&ubd_dev->tag_set);
   933	out:
   934		return err;
   935	}
   936	

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