13 Mar
2018
13 Mar
'18
12:46 p.m.
On 3/10/2018 7:54 AM, srinivas.kandagatla@linaro.org wrote:
From: Srinivas Kandagatla srinivas.kandagatla@linaro.org
[..]
+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;