From: Dan Carpenter Date: Fri, 13 Jul 2018 15:05:57 +0000 (+0300) Subject: ASoC: qdsp6: q6afe-dai: fix a range check in of_q6afe_parse_dai_data() X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=b8110a87b75f948d978c06e130cc68026645c4a1;p=openwrt%2Fstaging%2Fblogic.git ASoC: qdsp6: q6afe-dai: fix a range check in of_q6afe_parse_dai_data() 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 Signed-off-by: Mark Brown --- diff --git a/sound/soc/qcom/qdsp6/q6afe-dai.c b/sound/soc/qcom/qdsp6/q6afe-dai.c index a373ca5523ff..9ba95956ada8 100644 --- a/sound/soc/qcom/qdsp6/q6afe-dai.c +++ b/sound/soc/qcom/qdsp6/q6afe-dai.c @@ -1183,7 +1183,7 @@ 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; }