SWDEV-528142 - add error check for KernelParameters::capture (#276)

* SWDEV-528142 - add error check for KernelParameters::capture

* Update kernel.cpp

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Co-authored-by: victzhan <victzhan@amd.com>

rocclr/platform/kernel.cpp

@@ -282,6 +282,11 @@ address KernelParameters::capture(device::VirtualDevice& vDev, uint64_t lclMemSi
       } else if (desc.type_ == T_SAMPLER) {
         Sampler* samplerArg = samplerObjects_[desc.info_.arrayIndex_];
         if (samplerArg != nullptr) {
+          device::Sampler* deviceSampler = samplerArg->getDeviceSampler(device);
+          if (!deviceSampler) {
+            *error = CL_INVALID_CONTEXT;
+            break;
+          }
           samplerArg->retain();
           // todo: It's uint64_t type
           *reinterpret_cast<uintptr_t*>(mem + desc.offset_) = static_cast<uintptr_t>(