initialize_controlvm_payload(void)
 {
        HOSTADDRESS phys_addr = visorchannel_get_physaddr(controlvm_channel);
-       u64 payloadOffset = 0;
-       u32 payloadBytes = 0;
+       u64 payload_offset = 0;
+       u32 payload_bytes = 0;
 
        if (visorchannel_read(controlvm_channel,
                              offsetof(struct spar_controlvm_channel_protocol,
                                       request_payload_offset),
-                             &payloadOffset, sizeof(payloadOffset)) < 0) {
+                             &payload_offset, sizeof(payload_offset)) < 0) {
                POSTCODE_LINUX_2(CONTROLVM_INIT_FAILURE_PC,
                                 POSTCODE_SEVERITY_ERR);
                return;
        if (visorchannel_read(controlvm_channel,
                              offsetof(struct spar_controlvm_channel_protocol,
                                       request_payload_bytes),
-                             &payloadBytes, sizeof(payloadBytes)) < 0) {
+                             &payload_bytes, sizeof(payload_bytes)) < 0) {
                POSTCODE_LINUX_2(CONTROLVM_INIT_FAILURE_PC,
                                 POSTCODE_SEVERITY_ERR);
                return;
        }
        initialize_controlvm_payload_info(phys_addr,
-                                         payloadOffset, payloadBytes,
+                                         payload_offset, payload_bytes,
                                          &controlvm_payload_info);
 }