nfit, nd_blk: BLK status register is only 32 bits

Only read 32 bits for the BLK status register in read_blk_stat().

The format and size of this register is defined in the
"NVDIMM Driver Writer's guide":

Signed-off-by: Ross Zwisler <>
Reported-by: Nicholas Moulin <>
Tested-by: Nicholas Moulin <>
Reviewed-by: Jeff Moyer <>
Signed-off-by: Dan Williams <>
1 file changed