Re: [kbuild] Re: [PATCH] md/bitmap: don't set sb values if can't pass sanity check

["heming.zhao@suse.com" <heming.zhao@suse.com>]

Thanks for the information. my mistake. need v3 patch.

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 <lkp@intel.com>
> Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
> 
> 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
> 
> ... ...