On 3/10/2018 7:54 AM, srinivas.kandagatla@xxxxxxxxxx wrote:
From: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
[..]
+static int q6core_get_svc_versions(struct q6core *core)
+{
+ struct apr_device *adev = core->adev;
+ struct apr_hdr hdr = {0};
+ int rc;
+
+ core->get_version_supported = true;
core->get_version_supported should be set to true only after we get proper response from adsp in callback(). In case,we get wrong response from adsp, memory for g_core->svc_version
will not get allocated and there will be NULL pointer dereference in q6core_get_svc_api_info() in below statement
+ } else if (g_core->get_version_supported) {
+ for (i = 0; i < g_core->svc_version->num_services; i++) {
+ hdr.hdr_field = APR_HDR_FIELD(APR_MSG_TYPE_SEQ_CMD,
+ APR_HDR_LEN(APR_HDR_SIZE), APR_PKT_VER);
+ hdr.pkt_size = APR_HDR_SIZE;
+ hdr.opcode = AVCS_GET_VERSIONS;
+
+ rc = apr_send_pkt(adev, &hdr);
+ if (rc < 0)
+ return rc;
+
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