Fix golang-ci-lint errors

internal/lm/nvml.go

@@ -121,17 +121,17 @@ func newVersionLabeler(manager resource.Manager) (Labeler, error) {
 		"nvidia.com/cuda.driver.major":  driverMajor,
 		"nvidia.com/cuda.driver.minor":  driverMinor,
 		"nvidia.com/cuda.driver.rev":    driverRev,
-		"nvidia.com/cuda.runtime.major": fmt.Sprintf("%d", *cudaMajor),
-		"nvidia.com/cuda.runtime.minor": fmt.Sprintf("%d", *cudaMinor),
+		"nvidia.com/cuda.runtime.major": fmt.Sprintf("%d", cudaMajor),
+		"nvidia.com/cuda.runtime.minor": fmt.Sprintf("%d", cudaMinor),
 
 		// New labels
 		"nvidia.com/cuda.driver-version.major":    driverMajor,
 		"nvidia.com/cuda.driver-version.minor":    driverMinor,
 		"nvidia.com/cuda.driver-version.revision": driverRev,
 		"nvidia.com/cuda.driver-version.full":     driverVersion,
-		"nvidia.com/cuda.runtime-version.major":   fmt.Sprintf("%d", *cudaMajor),
-		"nvidia.com/cuda.runtime-version.minor":   fmt.Sprintf("%d", *cudaMinor),
-		"nvidia.com/cuda.runtime-version.full":    fmt.Sprintf("%d.%d", *cudaMajor, *cudaMinor),
+		"nvidia.com/cuda.runtime-version.major":   fmt.Sprintf("%d", cudaMajor),
+		"nvidia.com/cuda.runtime-version.minor":   fmt.Sprintf("%d", cudaMinor),
+		"nvidia.com/cuda.runtime-version.full":    fmt.Sprintf("%d.%d", cudaMajor, cudaMinor),
 	}
 	return labels, nil
 }

internal/resource/cuda-lib.go

@@ -51,16 +51,16 @@ func (l *cudaLib) GetDevices() ([]Device, error) {
 }
 
 // GetCudaDriverVersion returns the CUDA driver version
-func (l *cudaLib) GetCudaDriverVersion() (*uint, *uint, error) {
+func (l *cudaLib) GetCudaDriverVersion() (int, int, error) {
 	version, r := cuda.DriverGetVersion()
 	if r != cuda.SUCCESS {
-		return nil, nil, fmt.Errorf("failed to get driver version: %v", r)
+		return 0, 0, fmt.Errorf("failed to get driver version: %v", r)
 	}
 
-	major := uint(version) / 1000
-	minor := uint(version) % 100 / 10
+	major := version / 1000
+	minor := version % 100 / 10
 
-	return &major, &minor, nil
+	return major, minor, nil
 }
 
 // GetDriverVersion returns the driver version.

internal/resource/fallback.go

@@ -54,7 +54,7 @@ func (m *withFallBack) GetDevices() ([]Device, error) {
 }
 
 // GetCudaDriverVersion delegates to the wrapped manager
-func (m *withFallBack) GetCudaDriverVersion() (*uint, *uint, error) {
+func (m *withFallBack) GetCudaDriverVersion() (int, int, error) {
 	return m.wraps.GetCudaDriverVersion()
 }
 

internal/resource/null.go

@@ -47,8 +47,8 @@ func (l *null) GetDevices() ([]Device, error) {
 }
 
 // GetCudaDriverVersion is not supported
-func (l *null) GetCudaDriverVersion() (*uint, *uint, error) {
-	return nil, nil, fmt.Errorf("GetCudaDriverVersion is unsupported")
+func (l *null) GetCudaDriverVersion() (int, int, error) {
+	return 0, 0, fmt.Errorf("GetCudaDriverVersion is unsupported")
 }
 
 // GetDriverVersion is not supported

internal/resource/nvml-lib.go

@@ -36,15 +36,15 @@ func NewNVMLManager(nvmllib nvml.Interface, devicelib device.Interface) Manager
 }
 
 // GetCudaDriverVersion : Return the cuda v using NVML
-func (l nvmlLib) GetCudaDriverVersion() (*uint, *uint, error) {
+func (l nvmlLib) GetCudaDriverVersion() (int, int, error) {
 	v, ret := l.Interface.SystemGetCudaDriverVersion()
 	if ret != nvml.SUCCESS {
-		return nil, nil, ret
+		return 0, 0, ret
 	}
-	major := uint(v / 1000)
-	minor := uint(v % 1000 / 10)
+	major := v / 1000
+	minor := v % 1000 / 10
 
-	return &major, &minor, nil
+	return major, minor, nil
 }
 
 // GetDevices returns the NVML devices for the manager

internal/resource/nvml-mig-device.go

@@ -124,13 +124,17 @@ func totalMemory(attr map[string]interface{}) (uint64, error) {
 		return 0, fmt.Errorf("no 'memory' attribute available")
 	}
 
-	switch t := totalMemory.(type) {
+	switch totalMemory := totalMemory.(type) {
 	case uint64:
-		return totalMemory.(uint64), nil
+		return totalMemory, nil
 	case int:
-		return uint64(totalMemory.(int)), nil
+		if totalMemory < 0 {
+			return 0, fmt.Errorf("unexpected memory value %v", totalMemory)
+		}
+		//nolint:gosec  // Here we are sure that the value will fit in memory and be positive.
+		return uint64(totalMemory), nil
 	default:
-		return 0, fmt.Errorf("unsupported attribute type %v", t)
+		return 0, fmt.Errorf("unsupported attribute type %v", totalMemory)
 	}
 }
 

internal/resource/sysfs-lib.go

@@ -64,9 +64,8 @@ func (l *vfioLib) GetDevices() ([]Device, error) {
 }
 
 // GetCudaDriverVersion is not supported
-func (l *vfioLib) GetCudaDriverVersion() (*uint, *uint, error) {
-	unknown := uint(0)
-	return &unknown, &unknown, nil
+func (l *vfioLib) GetCudaDriverVersion() (int, int, error) {
+	return 0, 0, nil
 }
 
 // GetDriverVersion is not supported

internal/resource/testing/resource-testing.go

@@ -123,10 +123,8 @@ func NewManagerMockWithDevices(devices ...resource.Device) *ManagerMock {
 		GetDevicesFunc: func() ([]resource.Device, error) {
 			return devices, nil
 		},
-		GetCudaDriverVersionFunc: func() (*uint, *uint, error) {
-			var major uint = 8
-			var minor uint = 0
-			return &major, &minor, nil
+		GetCudaDriverVersionFunc: func() (int, int, error) {
+			return 8, 0, nil
 		},
 	}}
 	return &manager

internal/resource/types.go

@@ -18,13 +18,13 @@ package resource
 
 // Manager defines an interface for managing devices
 //
-//go:generate moq -out manager_mock.go . Manager
+//go:generate moq -rm -out manager_mock.go . Manager
 type Manager interface {
 	Init() error
 	Shutdown() error
 	GetDevices() ([]Device, error)
 	GetDriverVersion() (string, error)
-	GetCudaDriverVersion() (*uint, *uint, error)
+	GetCudaDriverVersion() (int, int, error)
 }
 
 // Device defines an interface for a device with which labels are associated