dsp: q6adm: Resolve mem corruption in adm cb

Conversion of negative "num_modules" var value
will result in max possible unsigned int value
and hence can cause mem corruption when accessed.

Resolve this by assigning the same data type
to "num_modules" var as used in the calling fn.

Mot-CRs-fixed: (CR)
CVE-Fixed: CVE-2023-33034
CRs-Fixed: 3438425

Change-Id: I4c9d7215b9c7345637e1eb3a1992a41fef71c5cb
Signed-off-by: Soumya Managoli <quic_c_smanag@quicinc.com>
Signed-off-by: Ashutosh Verma <ashverma@motorola.com>
Reviewed-on: https://gerrit.mot.com/2673745
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Hujun Liao <liaohj@motorola.com>
Submit-Approved: Jira Key

dsp/q6adm.c

@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
  * Copyright (c) 2012-2021, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
  */
 #include <linux/module.h>
 #include <linux/slab.h>
@@ -1550,7 +1551,7 @@ static int32_t adm_callback(struct apr_client_data *data, void *priv)
 {
 	uint32_t *payload;
 	int port_idx, copp_idx, idx, client_id;
-	int num_modules;
+	uint32_t num_modules;
 	int ret;
 
 	if (data == NULL) {