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Diffstat (limited to 'fs/btrfs/backref.c')
-rw-r--r--fs/btrfs/backref.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c
index f3187938e081..2bcbea3f6308 100644
--- a/fs/btrfs/backref.c
+++ b/fs/btrfs/backref.c
@@ -1186,7 +1186,7 @@ static char *ref_to_path(struct btrfs_root *fs_root,
int slot;
u64 next_inum;
int ret;
- s64 bytes_left = size - 1;
+ s64 bytes_left = ((s64)size) - 1;
struct extent_buffer *eb = eb_in;
struct btrfs_key found_key;
int leave_spinning = path->leave_spinning;