COMPMID-1995: Fix call_all_input_node_accessors

Substituing std::any_of with std::for_each approach because we need to
invoke call_accessor for all input nodes.

Change-Id: If0a0458a5fa9371985917e8d010fbf79b8be76b7
Signed-off-by: Michele Di Giorgio <michele.digiorgio@arm.com>
Reviewed-on: https://review.mlplatform.org/c/847
Reviewed-by: Isabella Gottardi <isabella.gottardi@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/src/graph/detail/ExecutionHelpers.cpp b/src/graph/detail/ExecutionHelpers.cpp
index 767154b..900be42 100644
--- a/src/graph/detail/ExecutionHelpers.cpp
+++ b/src/graph/detail/ExecutionHelpers.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018 ARM Limited.
+ * Copyright (c) 2018-2019 ARM Limited.
  *
  * SPDX-License-Identifier: MIT
  *
@@ -204,10 +204,13 @@
 
 bool call_all_input_node_accessors(ExecutionWorkload &workload)
 {
-    return !std::any_of(std::begin(workload.inputs), std::end(workload.inputs), [](Tensor * input_tensor)
+    bool is_valid = true;
+    std::for_each(std::begin(workload.inputs), std::end(workload.inputs), [&](Tensor * input_tensor)
     {
-        return (input_tensor == nullptr) || !input_tensor->call_accessor();
+        bool valid_input = (input_tensor != nullptr) && input_tensor->call_accessor();
+        is_valid         = is_valid && valid_input;
     });
+    return is_valid;
 }
 
 void prepare_all_tasks(ExecutionWorkload &workload)