Re: [PATCH] hwrng: optee-rng: remove redundant initialization to variable rng_size

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On Sun, 24 Apr 2022 at 23:41, Colin Ian King <colin.i.king@xxxxxxxxx> wrote:
>
> Variable rng_size is being initialized with a value that is never read,
> the variable is being re-assigned later on. The initialization is
> redundant and can be removed.
>
> Cleans up cppcheck warning:
> Variable 'rng_size' is assigned a value that is never used.
>
> Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx>
> ---
>  drivers/char/hw_random/optee-rng.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>

Reviewed-by: Sumit Garg <sumit.garg@xxxxxxxxxx>

-Sumit

> diff --git a/drivers/char/hw_random/optee-rng.c b/drivers/char/hw_random/optee-rng.c
> index a948c0727b2b..96b5d546d136 100644
> --- a/drivers/char/hw_random/optee-rng.c
> +++ b/drivers/char/hw_random/optee-rng.c
> @@ -115,7 +115,7 @@ static size_t get_optee_rng_data(struct optee_rng_private *pvt_data,
>  static int optee_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait)
>  {
>         struct optee_rng_private *pvt_data = to_optee_rng_private(rng);
> -       size_t read = 0, rng_size = 0;
> +       size_t read = 0, rng_size;
>         int timeout = 1;
>         u8 *data = buf;
>
> --
> 2.35.1
>



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