md: use correct type in super_1_load

If we want to convert from a little endian format we need to cast
to a little endian type, otherwise sparse will be unhappy.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Song Liu <songliubraving@fb.com>

drivers/md/md.c

@@ -1548,7 +1548,7 @@ static int super_1_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_
 		 */
 		s32 offset;
 		sector_t bb_sector;
-		u64 *bbp;
+		__le64 *bbp;
 		int i;
 		int sectors = le16_to_cpu(sb->bblog_size);
 		if (sectors > (PAGE_SIZE / 512))
@@ -1560,7 +1560,7 @@ static int super_1_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_
 		if (!sync_page_io(rdev, bb_sector, sectors << 9,
 				  rdev->bb_page, REQ_OP_READ, 0, true))
 			return -EIO;
-		bbp = (u64 *)page_address(rdev->bb_page);
+		bbp = (__le64 *)page_address(rdev->bb_page);
 		rdev->badblocks.shift = sb->bblog_shift;
 		for (i = 0 ; i < (sectors << (9-3)) ; i++, bbp++) {
 			u64 bb = le64_to_cpu(*bbp);