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    Subject[PATCH 4.0 104/105] Btrfs: fix uninit variable in clone ioctl
    Date
    4.0-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Chris Mason <clm@fb.com>

    commit de249e66a73d696666281cd812087979c6fae552 upstream.

    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>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    fs/btrfs/ioctl.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- a/fs/btrfs/ioctl.c
    +++ b/fs/btrfs/ioctl.c
    @@ -3206,7 +3206,7 @@ static int btrfs_clone(struct inode *src
    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

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