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    Subject[PATCH 1/4 RESEND] Btrfs: remove the useless assignment to *entry in function tree_insert of file extent_io.c
    In tree_insert, var *entry is used in the loop only, and is useless
    out of the loop. Remove the useless assignment after the loop.

    Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>
    ---
    fs/btrfs/extent_io.c | 1 -
    1 files changed, 0 insertions(+), 1 deletions(-)

    diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
    index 8d904dd..7b679e2 100644
    --- a/fs/btrfs/extent_io.c
    +++ b/fs/btrfs/extent_io.c
    @@ -186,7 +186,6 @@ static struct rb_node *tree_insert(struct rb_root *root, u64 offset,
    return parent;
    }

    - entry = rb_entry(node, struct tree_entry, rb_node);
    rb_link_node(node, parent, p);
    rb_insert_color(node, root);
    return NULL;
    --
    1.7.1


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