nfit, nd_blk: BLK status register is only 32 bits
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":

http://pmem.io/documents/NVDIMM_Driver_Writers_Guide.pdf

Signed-off-by: Ross Zwisler <19f56ffe3ac18f81d12a74c011e044bc6df12299@linux.intel.com>
Reported-by: Nicholas Moulin <774c162d2c42128c0f279e604a2ab8ec3ece8668@linux.intel.com>
Tested-by: Nicholas Moulin <774c162d2c42128c0f279e604a2ab8ec3ece8668@linux.intel.com>
Reviewed-by: Jeff Moyer <cd6badf7869d996b866599075536a600ed1910b5@redhat.com>
Signed-off-by: Dan Williams <24ee2bf0bd8ac766c348bf1f0639943bac1535c6@intel.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs