1 files changed, 4 insertions, 2 deletions

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index e8795becad4c..cdbb054102b9 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1123,8 +1123,10 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd,
                                         datao += off - key.offset;
                                         datal -= off - key.offset;
                                 }
-                                if (key.offset + datao + datal > off + len)
-                                        datal = off + len - key.offset - datao;
+
+                                if (key.offset + datal > off + len)
+                                        datal = off + len - key.offset;
+
                                 /* disko == 0 means it's a hole */
                                 if (!disko)
                                         datao = 0;