• Jaegeuk Kim's avatar
    f2fs: bug fix on bit overflow from 32bits to 64bits · f9a4e6df
    Jaegeuk Kim authored
    This patch fixes some bit overflows by the shift operations.
    
    Dan Carpenter reported potential bugs on bit overflows as follows.
    
    fs/f2fs/segment.c:910 submit_write_page()
    	warn: should 'blk_addr << ((sbi)->log_blocksize - 9)' be a 64 bit type?
    fs/f2fs/checkpoint.c:429 get_valid_checkpoint()
    	warn: should '1 << ()' be a 64 bit type?
    fs/f2fs/data.c:408 f2fs_readpage()
    	warn: should 'blk_addr << ((sbi)->log_blocksize - 9)' be a 64 bit type?
    fs/f2fs/data.c:457 submit_read_page()
    	warn: should 'blk_addr << ((sbi)->log_blocksize - 9)' be a 64 bit type?
    fs/f2fs/data.c:525 get_data_block_ro()
    	warn: should 'i << blkbits' be a 64 bit type?
    Bug-Reported-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
    Signed-off-by: default avatarJaegeuk Kim <jaegeuk.kim@samsung.com>
    f9a4e6df
segment.h 19.8 KB