1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index f2b2c653c5a5..767b3fbc2fbe 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -130,7 +130,7 @@ static uint64_t btree_csum_set(struct btree *b, struct bset *i)
         void *data = (void *) i + 8, *end = end(i);
 
         crc = bch_crc64_update(crc, data, end - data);
-        return crc ^ 0xffffffffffffffff;
+        return crc ^ 0xffffffffffffffffULL;
 }
 
 static void btree_bio_endio(struct bio *bio, int error)