Commit be33f0a3 authored Apr 13, 2018 by Tingwei Zhang Committed by Gerrit - the friendly Code Review server Jul 03, 2018

soc: qcom: dcc_v2: Avoid huge memory allcation



Check size of DCC configuration. Limit the size according
to SRAM size.

Change-Id: Ib846c92458e2fef8c45128b9b83d1c549b293370
Signed-off-by: Tingwei Zhang <tingwei@codeaurora.org>

parent b8f54403

drivers/soc/qcom/dcc_v2.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -889,7 +889,8 @@ static int dcc_config_add(struct dcc_drvdata *drvdata, unsigned int addr,
		goto err;
		}

		if (!len) {
		/* Check the len to avoid allocate huge memory */
		if (!len \|\| len > (drvdata->ram_size / 8)) {
		dev_err(drvdata->dev, "DCC: Invalid length\n");
		ret = -EINVAL;
		goto err;