Re: [PATCH][next] drm/bridge: sii902x: fix comparision of u32 with less than zero

From: Jyri Sarha
Date: Mon Jun 03 2019 - 12:04:16 EST


On 03/06/2019 17:21, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> The less than check for the variable num_lanes is always going to be
> false because the variable is a u32. Fix this by making num_lanes an
> int and also make loop index i an int too.
>
> Addresses-Coverity: ("Unsigned compared against 0")
> Fixes: ff5781634c41 ("drm/bridge: sii902x: Implement HDMI audio support")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Oh, one of these slipped trough after all.

Acked-by: Jyri Sarha <jsarha@xxxxxx>

> ---
> drivers/gpu/drm/bridge/sii902x.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
> index d6f98d388ac2..21a947603c88 100644
> --- a/drivers/gpu/drm/bridge/sii902x.c
> +++ b/drivers/gpu/drm/bridge/sii902x.c
> @@ -719,7 +719,7 @@ static int sii902x_audio_codec_init(struct sii902x *sii902x,
> .max_i2s_channels = 0,
> };
> u8 lanes[4];
> - u32 num_lanes, i;
> + int num_lanes, i;
>
> if (!of_property_read_bool(dev->of_node, "#sound-dai-cells")) {
> dev_dbg(dev, "%s: No \"#sound-dai-cells\", no audio\n",
>


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