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SubjectRe: [PATCH] clk: samsung: Remove redundant check in samsung_cmu_register_one
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On 1/22/20 8:33 AM, Aditya Pakki wrote:
> Consistent with other instances of samsung_clk_init, the check
> if ctx is NULL is redundant. The function currently does not
> return NULL.
>
> Signed-off-by: Aditya Pakki <pakki001@umn.edu>
> ---
> drivers/clk/samsung/clk.c | 4 ----
> 1 file changed, 4 deletions(-)
>
> diff --git a/drivers/clk/samsung/clk.c b/drivers/clk/samsung/clk.c
> index dad31308c071..1949ae7851b2 100644
> --- a/drivers/clk/samsung/clk.c
> +++ b/drivers/clk/samsung/clk.c
> @@ -356,10 +356,6 @@ struct samsung_clk_provider * __init samsung_cmu_register_one(
> }
>
> ctx = samsung_clk_init(np, reg_base, cmu->nr_clk_ids);
> - if (!ctx) {
> - panic("%s: unable to allocate ctx\n", __func__);
> - return ctx;
> - }
>
> if (cmu->pll_clks)
> samsung_clk_register_pll(ctx, cmu->pll_clks, cmu->nr_pll_clks,
>

If samsung_clk_init() fail to allocate the memory for 'ctx',
call panic() without return. As the patch description,
samsung_clk_init() either call panic() or return
the correct 'ctx' instance. It looks good to me.

Acked-by: Chanwoo Choi <cw00.choi@samsung.com>

--
Best Regards,
Chanwoo Choi
Samsung Electronics

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