silence some more warnings

Author: upsj

hip/base/device.hip.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2017 - 2024 The Ginkgo authors
+// SPDX-FileCopyrightText: 2017 - 2025 The Ginkgo authors
 //
 // SPDX-License-Identifier: BSD-3-Clause
 
@@ -20,7 +20,7 @@ namespace hip {
 void reset_device(int device_id)
 {
     gko::detail::hip_scoped_device_id_guard guard{device_id};
-    hipDeviceReset();
+    (void)hipDeviceReset();
 }
 
 

hip/base/memory.hip.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2017 - 2024 The Ginkgo authors
+// SPDX-FileCopyrightText: 2017 - 2025 The Ginkgo authors
 //
 // SPDX-License-Identifier: BSD-3-Clause
 
@@ -30,7 +30,7 @@ namespace gko {
         const auto error_code = _operation;                                \
         if (error_code != hipSuccess) {                                    \
             int device_id{-1};                                             \
-            hipGetDevice(&device_id);                                      \
+            (void)hipGetDevice(&device_id);                                \
             std::cerr << "Unrecoverable HIP error on device " << device_id \
                       << " in " << __func__ << ": "                        \
                       << hipGetErrorName(error_code) << ": "               \

hip/base/stream.hip.cpp

@@ -1,4 +1,4 @@
-// SPDX-FileCopyrightText: 2017 - 2024 The Ginkgo authors
+// SPDX-FileCopyrightText: 2017 - 2025 The Ginkgo authors
 //
 // SPDX-License-Identifier: BSD-3-Clause
 
@@ -29,7 +29,7 @@ hip_stream::~hip_stream()
 {
     if (stream_) {
         detail::hip_scoped_device_id_guard g(device_id_);
-        hipStreamDestroy(stream_);
+        (void)hipStreamDestroy(stream_);
     }
 }