Fixed bug where pointer is dereferenced before it is validated.

Change-Id: I6628c52bd3536cf57a320008e46b61968927e3f6
Signed-off-by: Doug Hudson <douglas.hudson@intel.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/468
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Sudarshan Prasad <sudarshan.prasad@intel.com>

diff --git a/resource/csdk/stack/src/ocstack.c b/resource/csdk/stack/src/ocstack.c
index c1d0377..3d184d0 100644 (file)
--- a/resource/csdk/stack/src/ocstack.c
+++ b/resource/csdk/stack/src/ocstack.c
@@ -693,7 +693,7 @@ void HandleCAResponses(const CARemoteEndpoint_t* endPoint, const CAResponseInfo_
         response.result = CAToOCStackResult(responseInfo->result);
         response.resJSONPayload = (unsigned char*)responseInfo->info.payload;
         response.numRcvdVendorSpecificHeaderOptions = 0;
-        if(responseInfo->info.numOptions > 0)
+        if(responseInfo->info.options && responseInfo->info.numOptions > 0)
         {
             int start = 0;
             //First option always with option ID is OC_COAP_OPTION_OBSERVE if it is available.