soc: qcom: dcc: Avoid huge memory allcation



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

CRs-Fixed: 2224975
Change-Id: I40f4211468c93ece42b85e1f2d326b16965bce22
Signed-off-by: Shaoqing Liu <shaoqingliu@codeaurora.org>

parent 45e3b69a

drivers/soc/qcom/dcc.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -731,7 +731,8 @@ static int dcc_config_add(struct dcc_drvdata *drvdata, unsigned int addr,

		mutex_lock(&drvdata->mutex);

		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;