On 01/08/2013 06:33 PM, Rajagopal Venkat wrote:
> while reparenting a clock, NULL check is done for clock in
> consideration and its new parent. So re-check is not required.
> If done, else part becomes unreachable.
> 
> Signed-off-by: Rajagopal Venkat <rajagopal.ven...@linaro.org>
> ---
>  drivers/clk/clk.c |    5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
> index 251e45d..f896584 100644
> --- a/drivers/clk/clk.c
> +++ b/drivers/clk/clk.c
> @@ -1048,10 +1048,7 @@ void __clk_reparent(struct clk *clk, struct clk 
> *new_parent)
>  
>       hlist_del(&clk->child_node);
>  
> -     if (new_parent)
> -             hlist_add_head(&clk->child_node, &new_parent->children);
> -     else
> -             hlist_add_head(&clk->child_node, &clk_orphan_list);
> +     hlist_add_head(&clk->child_node, &new_parent->children);
>  
>  #ifdef CONFIG_COMMON_CLK_DEBUG
>       if (!inited)
> 

The same logic holds good for following piece of code too.

1060 |-------if (new_parent)
1061 |-------|-------new_parent_d = new_parent->dentry;
1062 |-------else
1063 |-------|-------new_parent_d = orphandir;


-- 
Tushar Behera
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