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On 3/29/22 21:05, Dan Carpenter wrote: > Hi Heming, > > url: https://github.com/0day-ci/linux/commits/Heming-Zhao/md-bitmap-don-t-set-sb-values-if-can-t-pass-sanity-check/20220325-105426 > base: git://git.kernel.org/pub/scm/linux/kernel/git/song/md.git md-next > config: powerpc-randconfig-m031-20220324 (https://download.01.org/0day-ci/archive/20220326/202203260647.ZIDU6VYv-lkp@intel.com/config ) > compiler: powerpc-linux-gcc (GCC) 11.2.0 > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot > Reported-by: Dan Carpenter > > New smatch warnings: > drivers/md/md-bitmap.c:644 md_bitmap_read_sb() error: uninitialized symbol 'chunksize'. > drivers/md/md-bitmap.c:648 md_bitmap_read_sb() error: uninitialized symbol 'daemon_sleep'. > drivers/md/md-bitmap.c:650 md_bitmap_read_sb() error: uninitialized symbol 'write_behind'. > > Old smatch warnings: > drivers/md/md-bitmap.c:371 read_page() warn: should 'index << (12 - inode->i_blkbits)' be a 64 bit type? > drivers/md/md-bitmap.c:2182 md_bitmap_resize() warn: should 'old_counts.chunks << old_counts.chunkshift' be a 64 bit type? > drivers/md/md-bitmap.c:2206 md_bitmap_resize() warn: should '1 << chunkshift' be a 64 bit type? > > vim +/chunksize +644 drivers/md/md-bitmap.c > > ... ...