Treat NULL payload in RIL messages as valid where applicable.

Test: basic telephony sanity
Bug: 62262047
Change-Id: Icdd199025b8890e8be66a18d47dff0f991ff4308

1 files changed, 33 insertions, 18 deletions

diff --git a/libril/ril_service.cpp b/libril/ril_service.cpp
index 43c3b1d..5dc918c 100644
--- a/libril/ril_service.cpp
+++ b/libril/ril_service.cpp
@@ -2974,7 +2974,8 @@ int radio::getCurrentCallsResponse(int slotId,
         populateResponseInfo(responseInfo, serial, responseType, e);
 
         hidl_vec<Call> calls;
-        if (response == NULL || (responseLen % sizeof(RIL_Call *)) != 0) {
+        if ((response == NULL && responseLen != 0)
+                || (responseLen % sizeof(RIL_Call *)) != 0) {
             RLOGE("getCurrentCallsResponse: Invalid response");
             if (e == RIL_E_SUCCESS) responseInfo.error = RadioError::INVALID_RESPONSE;
         } else {
@@ -3770,9 +3771,11 @@ int radio::setupDataCallResponse(int slotId,
         populateResponseInfo(responseInfo, serial, responseType, e);
 
         SetupDataCallResult result = {};
-        if (response == NULL || responseLen != sizeof(RIL_Data_Call_Response_v11)) {
-            RLOGE("setupDataCallResponse: Invalid response");
-            if (e == RIL_E_SUCCESS) responseInfo.error = RadioError::INVALID_RESPONSE;
+        if (response == NULL || (responseLen % sizeof(RIL_Data_Call_Response_v11)) != 0) {
+            if (response != NULL) {
+                RLOGE("setupDataCallResponse: Invalid response");
+                if (e == RIL_E_SUCCESS) responseInfo.error = RadioError::INVALID_RESPONSE;
+            }
             result.status = DataCallFailCause::ERROR_UNSPECIFIED;
             result.type = hidl_string();
             result.ifname = hidl_string();
@@ -3938,7 +3941,8 @@ int radio::getCallForwardStatusResponse(int slotId,
         populateResponseInfo(responseInfo, serial, responseType, e);
         hidl_vec<CallForwardInfo> callForwardInfos;
 
-        if (response == NULL || responseLen % sizeof(RIL_CallForwardInfo *) != 0) {
+        if ((response == NULL && responseLen != 0)
+                || responseLen % sizeof(RIL_CallForwardInfo *) != 0) {
             RLOGE("getCallForwardStatusResponse Invalid response: NULL");
             if (e == RIL_E_SUCCESS) responseInfo.error = RadioError::INVALID_RESPONSE;
         } else {
@@ -4266,7 +4270,8 @@ int radio::getAvailableNetworksResponse(int slotId,
         RadioResponseInfo responseInfo = {};
         populateResponseInfo(responseInfo, serial, responseType, e);
         hidl_vec<OperatorInfo> networks;
-        if (response == NULL || responseLen % (4 * sizeof(char *))!= 0) {
+        if ((response == NULL && responseLen != 0)
+                || responseLen % (4 * sizeof(char *))!= 0) {
             RLOGE("getAvailableNetworksResponse Invalid response: NULL");
             if (e == RIL_E_SUCCESS) responseInfo.error = RadioError::INVALID_RESPONSE;
         } else {
@@ -4460,7 +4465,8 @@ int radio::getDataCallListResponse(int slotId,
         populateResponseInfo(responseInfo, serial, responseType, e);
 
         hidl_vec<SetupDataCallResult> ret;
-        if (response == NULL || responseLen % sizeof(RIL_Data_Call_Response_v11) != 0) {
+        if ((response == NULL && responseLen != 0)
+                || responseLen % sizeof(RIL_Data_Call_Response_v11) != 0) {
             RLOGE("getDataCallListResponse: invalid response");
             if (e == RIL_E_SUCCESS) responseInfo.error = RadioError::INVALID_RESPONSE;
         } else {
@@ -4570,7 +4576,7 @@ int radio::getAvailableBandModesResponse(int slotId,
         RadioResponseInfo responseInfo = {};
         populateResponseInfo(responseInfo, serial, responseType, e);
         hidl_vec<RadioBandMode> modes;
-        if (response == NULL || responseLen % sizeof(int) != 0) {
+        if ((response == NULL && responseLen != 0)|| responseLen % sizeof(int) != 0) {
             RLOGE("getAvailableBandModesResponse Invalid response: NULL");
             if (e == RIL_E_SUCCESS) responseInfo.error = RadioError::INVALID_RESPONSE;
         } else {
@@ -4737,7 +4743,8 @@ int radio::getNeighboringCidsResponse(int slotId,
         populateResponseInfo(responseInfo, serial, responseType, e);
         hidl_vec<NeighboringCell> cells;
 
-        if (response == NULL || responseLen % sizeof(RIL_NeighboringCell *) != 0) {
+        if ((response == NULL && responseLen != 0)
+                || responseLen % sizeof(RIL_NeighboringCell *) != 0) {
             RLOGE("getNeighboringCidsResponse Invalid response: NULL");
             if (e == RIL_E_SUCCESS) responseInfo.error = RadioError::INVALID_RESPONSE;
         } else {
@@ -5040,7 +5047,8 @@ int radio::getGsmBroadcastConfigResponse(int slotId,
         populateResponseInfo(responseInfo, serial, responseType, e);
         hidl_vec<GsmBroadcastSmsConfigInfo> configs;
 
-        if (response == NULL || responseLen % sizeof(RIL_GSM_BroadcastSmsConfigInfo *) != 0) {
+        if ((response == NULL && responseLen != 0)
+                || responseLen % sizeof(RIL_GSM_BroadcastSmsConfigInfo *) != 0) {
             RLOGE("getGsmBroadcastConfigResponse Invalid response: NULL");
             if (e == RIL_E_SUCCESS) responseInfo.error = RadioError::INVALID_RESPONSE;
         } else {
@@ -5124,7 +5132,8 @@ int radio::getCdmaBroadcastConfigResponse(int slotId,
         populateResponseInfo(responseInfo, serial, responseType, e);
         hidl_vec<CdmaBroadcastSmsConfigInfo> configs;
 
-        if (response == NULL || responseLen % sizeof(RIL_CDMA_BroadcastSmsConfigInfo *) != 0) {
+        if ((response == NULL && responseLen != 0)
+                || responseLen % sizeof(RIL_CDMA_BroadcastSmsConfigInfo *) != 0) {
             RLOGE("getCdmaBroadcastConfigResponse Invalid response: NULL");
             if (e == RIL_E_SUCCESS) responseInfo.error = RadioError::INVALID_RESPONSE;
         } else {
@@ -5545,7 +5554,8 @@ int radio::getCellInfoListResponse(int slotId,
         populateResponseInfo(responseInfo, serial, responseType, e);
 
         hidl_vec<CellInfo> ret;
-        if (response == NULL || responseLen % sizeof(RIL_CellInfo_v12) != 0) {
+        if ((response == NULL && responseLen != 0)
+                || responseLen % sizeof(RIL_CellInfo_v12) != 0) {
             RLOGE("getCellInfoListResponse: Invalid response");
             if (e == RIL_E_SUCCESS) responseInfo.error = RadioError::INVALID_RESPONSE;
         } else {
@@ -5699,7 +5709,9 @@ int radio::iccOpenLogicalChannelResponse(int slotId,
         int numInts = responseLen / sizeof(int);
         if (response == NULL || responseLen % sizeof(int) != 0) {
             RLOGE("iccOpenLogicalChannelResponse Invalid response: NULL");
-            if (e == RIL_E_SUCCESS) responseInfo.error = RadioError::INVALID_RESPONSE;
+            if (response != NULL) {
+                if (e == RIL_E_SUCCESS) responseInfo.error = RadioError::INVALID_RESPONSE;
+            }
         } else {
             int *pInt = (int *) response;
             channelId = pInt[0];
@@ -5900,7 +5912,8 @@ int radio::getHardwareConfigResponse(int slotId,
         populateResponseInfo(responseInfo, serial, responseType, e);
 
         hidl_vec<HardwareConfig> result;
-        if (response == NULL || responseLen % sizeof(RIL_HardwareConfig) != 0) {
+        if ((response == NULL && responseLen != 0)
+                || responseLen % sizeof(RIL_HardwareConfig) != 0) {
             RLOGE("hardwareConfigChangedInd: invalid response");
             if (e == RIL_E_SUCCESS) responseInfo.error = RadioError::INVALID_RESPONSE;
         } else {
@@ -6350,7 +6363,7 @@ int radio::sendRequestStringsResponse(int slotId,
         populateResponseInfo(responseInfo, serial, responseType, e);
         hidl_vec<hidl_string> data;
 
-        if (response == NULL || responseLen % sizeof(char *) != 0) {
+        if ((response == NULL && responseLen != 0) || responseLen % sizeof(char *) != 0) {
             RLOGE("sendRequestStringsResponse Invalid response: NULL");
             if (e == RIL_E_SUCCESS) responseInfo.error = RadioError::INVALID_RESPONSE;
         } else {
@@ -6698,7 +6711,8 @@ int radio::dataCallListChangedInd(int slotId,
                                   int indicationType, int token, RIL_Errno e, void *response,
                                   size_t responseLen) {
     if (radioService[slotId] != NULL && radioService[slotId]->mRadioIndication != NULL) {
-        if (response == NULL || responseLen % sizeof(RIL_Data_Call_Response_v11) != 0) {
+        if ((response == NULL && responseLen != 0)
+                || responseLen % sizeof(RIL_Data_Call_Response_v11) != 0) {
             RLOGE("dataCallListChangedInd: invalid response");
             return 0;
         }
@@ -7581,7 +7595,7 @@ int radio::cellInfoListInd(int slotId,
                            int indicationType, int token, RIL_Errno e, void *response,
                            size_t responseLen) {
     if (radioService[slotId] != NULL && radioService[slotId]->mRadioIndication != NULL) {
-        if (response == NULL || responseLen % sizeof(RIL_CellInfo_v12) != 0) {
+        if ((response == NULL && responseLen != 0) || responseLen % sizeof(RIL_CellInfo_v12) != 0) {
             RLOGE("cellInfoListInd: invalid response");
             return 0;
         }
@@ -7702,7 +7716,8 @@ int radio::hardwareConfigChangedInd(int slotId,
                                     int indicationType, int token, RIL_Errno e, void *response,
                                     size_t responseLen) {
     if (radioService[slotId] != NULL && radioService[slotId]->mRadioIndication != NULL) {
-        if (response == NULL || responseLen % sizeof(RIL_HardwareConfig) != 0) {
+        if ((response == NULL && responseLen != 0)
+                || responseLen % sizeof(RIL_HardwareConfig) != 0) {
             RLOGE("hardwareConfigChangedInd: invalid response");
             return 0;
         }