Re: [PATCH v2] mtd: block2mtd: Fix divide error when erase_size is zero

[kernel test robot <lkp@intel.com>]

:::::: 
:::::: Manual check reason: "linux-review patch is more than 7 days old, verify it wasn't already superseded"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
In-Reply-To: <48230456575d27aa83ce8640de8fc07cc62e8efb.1786499433.git.xiaopei01@kylinos.cn>
References: <48230456575d27aa83ce8640de8fc07cc62e8efb.1786499433.git.xiaopei01@kylinos.cn>
TO: Pei Xiao <xiaopei01@kylinos.cn>
TO: joern@lazybastard.org
TO: miquel.raynal@bootlin.com
TO: richard@nod.at
TO: vigneshr@ti.com
TO: linux-mtd@lists.infradead.org
TO: linux-kernel@vger.kernel.org
CC: Pei Xiao <xiaopei01@kylinos.cn>
CC: syzbot+b320a4d5f65a61dbbf89@syzkaller.appspotmail.com
CC: "Jörn Engel" <joern@barelysecure.org>
CC: stable@vger.kernel.org

Hi Pei,

kernel test robot noticed the following build errors:

[auto build test ERROR on mtd/mtd/next]
[also build test ERROR on mtd/mtd/fixes linus/master v7.2 next-20260819]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Pei-Xiao/mtd-block2mtd-Fix-divide-error-when-erase_size-is-zero/20260812-095242
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next
patch link:    https://lore.kernel.org/r/48230456575d27aa83ce8640de8fc07cc62e8efb.1786499433.git.xiaopei01%40kylinos.cn
patch subject: [PATCH v2] mtd: block2mtd: Fix divide error when erase_size is zero
:::::: branch date: 22 hours ago
:::::: commit date: 22 hours ago
config: xtensa-randconfig-001-20260821 (https://download.01.org/0day-ci/archive/20260821/202608211145.dy7HkzsP-lkp@intel.com/config)
compiler: xtensa-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260821/202608211145.dy7HkzsP-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/r/202608211145.dy7HkzsP-lkp@intel.com/

All errors (new ones prefixed by >>):

   `.exit.text' referenced in section `__jump_table' of fs/fuse/inode.o: defined in discarded section `.exit.text' of fs/fuse/inode.o
   `.exit.text' referenced in section `__jump_table' of fs/fuse/inode.o: defined in discarded section `.exit.text' of fs/fuse/inode.o
   `.exit.text' referenced in section `__jump_table' of drivers/target/target_core_configfs.o: defined in discarded section `.exit.text' of drivers/target/target_core_configfs.o
   `.exit.text' referenced in section `__jump_table' of drivers/target/target_core_configfs.o: defined in discarded section `.exit.text' of drivers/target/target_core_configfs.o
   xtensa-linux-ld: drivers/mtd/devices/block2mtd.o: in function `block2mtd_sync':
>> block2mtd.c:(.text+0xb8): undefined reference to `__moddi3'
   xtensa-linux-ld: drivers/mtd/devices/block2mtd.o: in function `block2mtd_setup2':
   block2mtd.c:(.text+0x466): undefined reference to `__moddi3'

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