On 07.06.2019 09:27, Dan Carpenter wrote:
> This should check that "i" is within bounds before checking reading from
> the array.
>
> Fixes: ff5781634c41 ("drm/bridge: sii902x: Implement HDMI audio support")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Reviewed-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
--
Regards
Andrzej
> ---
> drivers/gpu/drm/bridge/sii902x.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
> index d6f98d388ac2..6b03616d6bc3 100644
> --- a/drivers/gpu/drm/bridge/sii902x.c
> +++ b/drivers/gpu/drm/bridge/sii902x.c
> @@ -589,8 +589,8 @@ static int sii902x_audio_hw_params(struct device *dev, void *data,
> if (ret)
> goto out;
>
> - for (i = 0; sii902x->audio.i2s_fifo_sequence[i] &&
> - i < ARRAY_SIZE(sii902x->audio.i2s_fifo_sequence); i++)
> + for (i = 0; i < ARRAY_SIZE(sii902x->audio.i2s_fifo_sequence) &&
> + sii902x->audio.i2s_fifo_sequence[i]; i++)
> regmap_write(sii902x->regmap,
> SII902X_TPI_I2S_ENABLE_MAPPING_REG,
> sii902x->audio.i2s_fifo_sequence[i]);
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