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Message-ID: <20180915012944.179481-52-alexander.levin@microsoft.com>
Date: Sat, 15 Sep 2018 01:30:26 +0000
From: Sasha Levin <Alexander.Levin@...rosoft.com>
To: "stable@...r.kernel.org" <stable@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC: Dan Carpenter <dan.carpenter@...cle.com>,
Mark Brown <broonie@...nel.org>,
Sasha Levin <Alexander.Levin@...rosoft.com>
Subject: [PATCH AUTOSEL 4.18 53/92] ASoC: qdsp6: q6afe-dai: fix a range check
in of_q6afe_parse_dai_data()
From: Dan Carpenter <dan.carpenter@...cle.com>
[ Upstream commit b8110a87b75f948d978c06e130cc68026645c4a1 ]
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@...cle.com>
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
---
sound/soc/qcom/qdsp6/q6afe-dai.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sound/soc/qcom/qdsp6/q6afe-dai.c b/sound/soc/qcom/qdsp6/q6afe-dai.c
index 5002dd05bf27..f8298be7038f 100644
--- a/sound/soc/qcom/qdsp6/q6afe-dai.c
+++ b/sound/soc/qcom/qdsp6/q6afe-dai.c
@@ -1180,7 +1180,7 @@ 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;
}
--
2.17.1
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