Re: [PATCH] ASoC: qdsp6: q6afe-dai: fix a range check in of_q6afe_parse_dai_data()

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On 13/07/18 16:05, Dan Carpenter wrote:
The main thing is that the data->priv[] array has AFE_PORT_MAX elements
so the > condition should be >=.  But we may as well check for negative
values as well just to be safe.

Fixes: 24c4cbcfac09 ("ASoC: qdsp6: q6afe: Add q6afe dai driver")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

Thanks for the patch,

Acked-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>


diff --git a/sound/soc/qcom/qdsp6/q6afe-dai.c b/sound/soc/qcom/qdsp6/q6afe-dai.c
index e7f809e3ee1f..89df25e711c5 100644
--- a/sound/soc/qcom/qdsp6/q6afe-dai.c
+++ b/sound/soc/qcom/qdsp6/q6afe-dai.c
@@ -1329,7 +1329,7 @@ static void of_q6afe_parse_dai_data(struct device *dev,
  		int id, i, num_lines;
ret = of_property_read_u32(node, "reg", &id);
-		if (ret || id > AFE_PORT_MAX) {
+		if (ret || id < 0 || id >= AFE_PORT_MAX) {
  			dev_err(dev, "valid dai id not found:%d\n", ret);
  			continue;
  		}

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