Btrfs: fix uninit variable in clone ioctl

Commit 0d97a64e0 creates a new variable but doesn't always set it up.
This puts it back to the original method (key.offset + 1) for the cases
not covered by Filipe's new logic.

Signed-off-by: Chris Mason <clm@fb.com>

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 97b782ff92bb36dff7deca86efa03c5e674d8418..ca0736ce25a0c701cdfe2aad444c288e964efe29 100644 (file)
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3205,7 +3205,7 @@ static int btrfs_clone(struct inode *src, struct inode *inode,
        key.offset = off;
 
        while (1) {
-               u64 next_key_min_offset;
+               u64 next_key_min_offset = key.offset + 1;
 
                /*
                 * note the key will change type as we walk through the