Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 8abec7f1 authored by Ashish Jain's avatar Ashish Jain Committed by Gerrit - the friendly Code Review server
Browse files

ASoC: msm: qdsp6v2: DAP: Add check to validate data length 



Validate input data length to ensure only relevant data
is copied.

CRs-Fixed: 1027585
Change-Id: I67eb4f162f944bbf4d9e55fb8fe93759e6b8ff91
Signed-off-by: default avatarAshish Jain <ashishj@codeaurora.org>
parent 450bd44d

sound/soc/msm/qdsp6v2/msm-ds2-dap-config.c

+8 −0
Original line number Diff line number Diff line
@@ -1522,6 +1522,14 @@ static int msm_ds2_dap_get_param(u32 cmd, void *arg) 
		goto end;

	}



	/* Return if invalid length */

	if (dolby_data->length >

	       (DOLBY_MAX_LENGTH_INDIVIDUAL_PARAM - DOLBY_PARAM_PAYLOAD_SIZE)) {

		pr_err("Invalid length %d", dolby_data->length);

		rc = -EINVAL;

		goto end;

	}



	for (i = 0; i < DS2_DEVICES_ALL; i++) {

		if ((dev_map[i].active) &&

			(dev_map[i].device_id & dolby_data->device_id)) {