Commit 2ec386cf authored Jul 24, 2018 by Zhang Yuanfang Committed by ZhangYuanfang Jul 25, 2018

soc: qcom: Add check of len and base before dcc_config_add



Add check of len and base before dcc_config_add for invalid value.

Change-Id: Ia10ea54a24b076184a99096bb7dfc7c2790773c2
Signed-off-by: ZhangYuanfang <zhangyuanfang@codeaurora.org>

parent 6beeaa5c

drivers/soc/qcom/dcc_v2.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -990,6 +990,14 @@ static ssize_t dcc_store_config(struct device *dev,
		apb_bus = 1;
		}

		if (len == 0)
		len = 1;

		if (base == 0) {
		dev_err(drvdata->dev, "DCC: Invalid Address\n");
		return -EINVAL;
		}

		ret = dcc_config_add(drvdata, base, len, apb_bus);
		if (ret)
		return ret;