IVGCVSW-5563 Fix Crash on model with Fullyconnected Sigmoid Activation

* Add supported activations check to Neon FullyConected validate

Signed-off-by: Kevin May <kevin.may@arm.com>
Change-Id: I67a36eb83d0568d000e928e27eba3c84e32cdc72

1 files changed, 10 insertions, 0 deletions

diff --git a/src/backends/neon/workloads/NeonFullyConnectedWorkload.cpp b/src/backends/neon/workloads/NeonFullyConnectedWorkload.cpp
index 31489a0c3..39fb4c959 100644
--- a/src/backends/neon/workloads/NeonFullyConnectedWorkload.cpp
+++ b/src/backends/neon/workloads/NeonFullyConnectedWorkload.cpp
@@ -27,6 +27,16 @@ arm_compute::Status NeonFullyConnectedWorkloadValidate(const TensorInfo& input,
                                                        const FullyConnectedDescriptor& descriptor,
                                                        const ActivationDescriptor* activationDescriptor)
 {
+    if (activationDescriptor)
+    {
+        std::vector<ActivationFunction> activations = {ActivationFunction::ReLu, ActivationFunction::BoundedReLu};
+        if (std::find(activations.begin(), activations.end(), activationDescriptor->m_Function) == activations.end())
+        {
+            return arm_compute::Status{
+                arm_compute::ErrorCode::RUNTIME_ERROR, "NeonFullyConnectedWorkload :Unsupported Activation Function"};
+        }
+    }
+
     const arm_compute::TensorInfo aclInput = BuildArmComputeTensorInfo(input);
     const arm_compute::TensorInfo aclOutput = BuildArmComputeTensorInfo(output);
     const arm_compute::TensorInfo aclWeights = BuildArmComputeTensorInfo(weights);