Apply review feedback to remove unnecessary noise

source/adapters/hip/enqueue.cpp

@@ -1618,6 +1618,7 @@ UR_APIEXPORT ur_result_t UR_APICALL urEnqueueUSMMemcpy2D(
     hipPointerAttribute_t srcAttribs{};
     hipPointerAttribute_t dstAttribs{};
 
+    hipError_t hipRes{};
     // Determine if pSrc and/or pDst are system allocated pageable host memory.
     bool srcIsSystemAlloc{false};
     bool dstIsSystemAlloc{false};
@@ -1630,11 +1631,11 @@ UR_APIEXPORT ur_result_t UR_APICALL urEnqueueUSMMemcpy2D(
     // the pointer handle as system allocated pageable host memory.
     // The HIP runtime can handle the registering/unregistering of the memory
     // as long as the right copy-kind (direction) is provided to hipMemcpy2D*.
-    hipError_t hipRet = hipPointerGetAttributes(&srcAttribs, pSrc);
-    if (pSrc && hipRet == hipErrorInvalidValue)
+    hipRes = hipPointerGetAttributes(&srcAttribs, pSrc);
+    if (hipRes == hipErrorInvalidValue && pSrc)
       srcIsSystemAlloc = true;
-    hipRet = hipPointerGetAttributes(&dstAttribs, (const void *)pDst);
-    if (pDst && hipRet == hipErrorInvalidValue)
+    hipRes = hipPointerGetAttributes(&dstAttribs, (const void *)pDst);
+    if (hipRes == hipErrorInvalidValue && pDst)
       dstIsSystemAlloc = true;
 #if HIP_VERSION_MAJOR >= 6
     srcIsSystemAlloc |= srcAttribs.type == hipMemoryTypeUnregistered;