[igt-dev] [PATCH i-g-t] lib/tests/igt_audio: fix bad-function-cast warning

[Martin Peres]

On 07/06/2019 14:08, Simon Ser wrote:
> Cast a variable instead of the return value of the function.
> 
> Signed-off-by: Simon Ser <simon.ser at intel.com>

Reviewed-by: Martin Peres <martin.peres at linux.intel.com>
> ---
>  lib/tests/igt_audio.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/lib/tests/igt_audio.c b/lib/tests/igt_audio.c
> index 47e61adf74fe..eee4dd51f04c 100644
> --- a/lib/tests/igt_audio.c
> +++ b/lib/tests/igt_audio.c
> @@ -65,11 +65,14 @@ static void test_signal_detect_noise(struct audio_signal *signal)
>  	double buf[BUFFER_LEN];
>  	bool ok;
>  	size_t i;
> +	long r;
> 
>  	/* Generate random samples between -1 and 1 */
>  	srand(42);
> -	for (i = 0; i < BUFFER_LEN; i++)
> -		buf[i] = (double) random() / RAND_MAX * 2 - 1;
> +	for (i = 0; i < BUFFER_LEN; i++) {
> +		r = random();
> +		buf[i] = (double) r / RAND_MAX * 2 - 1;
> +	}
> 
>  	ok = audio_signal_detect(signal, SAMPLING_RATE, 0, buf, BUFFER_LEN);
> 
> --
> 2.21.0
> 
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